Short answer: if the cable itself will be exposed to water, rain, sweat or wash-down, choose the CB-Waterproof USB extension cable: it carries an IPX7 waterproof rating and is built with sealed integrated molding. If the cable stays dry and the priority is a soft, flexible jacket with a multi-type USB port for high-wattage charging, choose the CB-TPE USB extension cable: it uses an eco-friendly TPE outer material and supports 120W and 240W fast charging. Both models are manufactured by Focuses Electronics, the brand of DongGuan Focuses Electronics Technology Co., Ltd., and both use tinned copper conductors — so the real decision is about jacket material, sealing method and interface configuration, not about the metal inside.

This guide is written for importers, distributors, brand owners and procurement teams specifying a USB cable for humid bathrooms, rainy environments, sweaty sports use, low-temperature outdoor work, marine electronics or industrial equipment. It works through the material differences, charging capacity, data performance, length availability and the exact operating conditions Focuses lists for each model — so the choice can be made before a purchase order is raised, not after a return rate appears.

CB-TPE USB extension cable: eco-friendly TPE outer material, multi-type USB port, up to 240W fast charging.

Why Harsh Conditions Break Ordinary USB Cables

An indoor charging cable is not engineered around moisture, abrasion or temperature swing, and its failure pattern is predictable. Moisture reaches the conductor and accelerates corrosion from the inside; a stiff jacket cracks at the strain relief after repeated bending; and a cable that was never rated for high current runs warm and throttles the device it is supposed to charge. Focuses positions this product family directly against two of those failures — the stated function of the line is to solve slow charging and wire breakage problems while remaining widely compatible with smartphones, tablets, laptops, power banks, wireless chargers and smart wearables.

The application data behind the line also defines what a harsh-condition cable is expected to deliver: high tensile braided construction, fast charging compatibility, wear resistance, anti-break performance, stable transmission, low temperature resistance and data transfer capability. That list is the practical checklist to hold the CB-TPE and the CB-Waterproof against, and it explains why the two models exist as separate SKUs instead of one universal cable. Where a dry desk cable only has to survive being unplugged, a cable used in a humid bathroom, a rainy environment or a sweaty sports setting has to survive the environment itself.

Industry Background: Why Jacket and Sealing Now Decide Product Lines

USB cable demand keeps expanding, and the mix keeps shifting toward USB-C and power-delivery configurations. The global USB cable market was estimated at USD 21.2 billion in 2024 and is projected to reach approximately USD 88.6 billion by 2033 (DataHorizzon Research), while KBV Research projects growth at a CAGR of 17.3% through 2031. Regionally, Asia Pacific led global USB cable revenue in 2025 with USD 12.3 billion, roughly 43% of total market share (Dataintelo), and the USB Type-C segment on its own held a 41.2% share of USB cable sales in 2025 (Dataintelo). Published market-size estimates vary depending on how broadly cable assemblies are counted, so these numbers are best read as directional.

Regulation is pushing specification decisions in the same direction. The European Union requires handheld mobile phones, tablets and cameras sold after 28 December 2024 to use a USB Type-C charging port and to comply with EN IEC 62680-1-3:2022, and fast-charging devices that support USB Power Delivery must comply with EN IEC 62680-1-2:2022. In the United States, Amazon requires USB Type-C cables to meet the UL 9990 safety standard for ICT power cables to avoid listing removal. For buyers, the consequence is straightforward: cable selection is no longer only a performance decision, it is also a compliance decision, and both the jacket material and the interface configuration feed into it.

Within that market, the CB-TPE and the CB-Waterproof answer two different buyer questions. The TPE model answers “how do I keep a flexible, high-power USB extension cable comfortable enough for daily use?” The waterproof model answers “how do I keep charging when the environment itself is the risk?” Answering the wrong question is what produces field failures, warranty claims and negative reviews.

Detailed Solution: What Each Cable Actually Is

CB-TPE: Eco-Friendly TPE Jacket with a Multi-Type USB Port

The CB-TPE is a USB extension cable built with an eco-friendly TPE outer material and a tinned copper core. It uses a multi-type USB port, supports 120W and 240W fast charging with a maximum current of 6A, and performs both charging and data sync. It is compatible with cell phones and notebooks, and the jacket is specified as soft, flexible and wear-resistant. Custom logo printing is supported. The model is positioned for consumer electronics, mobile accessories, retail, wholesale, e-commerce, gift industry, digital products and household electronics channels.

CB-TPE construction: eco-friendly TPE outer material over a tinned copper core, with custom logo printing available.

The practical value of TPE in this application is handling. A soft jacket bends easily at tight angles, resists the surface cracking that rigid jackets develop, and stays comfortable where a cable is plugged and unplugged many times a day. Where the requirement is a fast charging cable that a retail customer keeps in a bag, on a desk or in a car, the CB-TPE is the more natural specification — and its eco-friendly TPE material is also a merchandising point for gift and household electronics lines.

One limitation should be stated plainly: the CB-TPE is not a waterproof cable. Its specification does not publish an IP rating, and it should not be positioned for immersion, wash-down or prolonged rain exposure. That is not a defect; it is a different product category, which is exactly why the CB-Waterproof exists.

CB-Waterproof: IPX7 Sealed Integrated Molding, up to 240W

The CB-Waterproof is a USB extension cable with an IPX7 waterproof rating and a sealed integrated molding construction. That construction is what allows the model to be described as waterproof, dustproof, sweat-proof, anti-corrosion and wear-resistant — a combination of properties the specification explicitly claims. Interface options run from USB-A/USB-C to Type-C/Lightning/Micro USB; the conductor is a high-purity tinned copper core; supported power is 120W and 240W ultra fast charging with a maximum current of 6A; and data transfer speed is 480 Mbps. Available lengths are 0.3m, 1m, 1.5m and 2m, the working temperature range is -20℃ to 70℃, and custom logo printing is supported.

CB-Waterproof: IPX7 rating with sealed integrated molding for waterproof, dustproof, sweat-proof and anti-corrosion performance.

Outer material for the waterproof model can be Silicone, TPE or nylon braided. That choice matters commercially: the sealed molding protects the internals, while the outer material determines how the cable feels in the hand and how well it resists surface abrasion. The model's declared application scope is also noticeably wider than the TPE model's, covering consumer electronics, mobile accessories, outdoor supplies, industrial equipment, sports fitness, retail, wholesale, e-commerce, marine electronics and automotive. When immersion, sweat or wash-down is a real operating condition rather than a hypothetical one, this is the model that belongs in the specification.

On cold-weather performance, the CB-Waterproof is documented from -20℃ to 70℃, matching the widest published range in the Focuses line. That figure is the benchmark to quote to buyers. The CB-TPE specification does not publish a temperature range, so its cold-weather performance should not be assumed to be identical — a point worth raising early with the supplier if the end market includes low-temperature outdoor use.

Step-by-Step Breakdown: Choosing in Six Steps

1. Define the actual exposure level. Ask where the cable physically lives: a desk drawer, a vehicle cabin, or a humid bathroom, a rainy outdoor installation, a sweaty sports environment, a marine panel or an industrial enclosure. Water contact — not device type — is the first filter. Any answer involving standing water, rain, sweat or wash-down points to the IPX7-rated CB-Waterproof; a dry, protected environment points to the CB-TPE.
2. Confirm the power and current you need. Both models support 120W and 240W fast charging with a maximum current of 6A. This is important because it means power capability does not separate the two cables — 240W is available on either. Buyers who assume the waterproof model is the lower-power option are working from an incorrect premise.
3. Confirm the data requirement. The CB-Waterproof is specified at a 480 Mbps data transfer speed. The CB-TPE performs charging and data sync as a dual function. For standard phone, tablet and laptop sync duties, both are specified for the task; if a documented data rate is mandatory on the purchase order, request the exact figure for the CB-TPE configuration you intend to order before locking the specification.
4. Match the interface to the device fleet. The CB-Waterproof offers USB-A/USB-C to Type-C/Lightning/Micro USB, which suits mixed device populations in retail, hospitality, industrial and marine settings. The CB-TPE uses a multi-type USB port, which is convenient for general consumer and gift channels. The interface set should be chosen against the devices your end customers actually own, not against the cable that is easiest to stock.
5. Check length and routing. The CB-Waterproof is documented in 0.3m, 1m, 1.5m and 2m lengths, and the Focuses USB cable line overall spans 0.3m to 2m. Longer runs slightly increase resistance, so confirm the length list for the CB-TPE configuration you plan to stock and test charging performance at the longest length in the range before committing to a bulk order.
6. Decide on customization and sourcing structure. Both models support custom logo printing. Because both are produced by the same manufacturer, an importer can build a complete harsh-condition and everyday line without splitting tooling, documentation or delivery schedules across suppliers. Focuses Electronics operates a 6,000-square-meter facility in Tangxia Town, Dongguan, Guangdong, China, near Shenzhen Port, with approximately 150 employees including 6 engineers in the R&D team, and reports an annual output of 25,000,000 units with 90% of output going to EU, North American and Asian markets.

Focuses Electronics manufacturing: a 6,000 m² facility in Tangxia Town, Dongguan, supplying EU, North American and Asian markets.

Use Cases: Matching the Cable to the Environment

The Focuses application data lists the operating conditions this product family is designed around, and those conditions map cleanly onto the two models. The list is worth reading literally, because it is the same list a buyer should hand to a sales team when briefing a new accessory line.

• Humid bathroom: moisture-heavy indoor air and occasional splash exposure — CB-Waterproof, which is rated IPX7 and specified as waterproof and dustproof.
• Rainy environment: direct rain exposure during outdoor use — CB-Waterproof, whose sealed integrated molding is specified as waterproof and anti-corrosion.
• Sweaty sports scene: perspiration contact during workouts, cycling or outdoor training — CB-Waterproof, specified as sweat-proof and wear-resistant.
• Low temperature outdoor: cold-weather installations and winter use — CB-Waterproof, documented from -20℃ to 70℃.
• Daily indoor use: bedside, desktop and living-room charging — CB-TPE, whose soft flexible jacket is easier to route and store.
• Portable on-demand use: intermittent charging from a bag, pocket or car — CB-TPE for everyday carry; CB-Waterproof where the carry environment is wet.
• Marine electronics, automotive and industrial equipment: exposed and vibration-heavy installations — CB-Waterproof, which is listed for those industries.
• Retail, wholesale, e-commerce and gift channels: high-turnover accessory lines — CB-TPE, positioned for consumer electronics, gift industry, digital products and household electronics, with custom logo printing for branded programs.

Operating conditions listed for this product family include humid bathrooms, rainy environments, sweaty sports scenes and low temperature outdoor use.

Comparison Table: CB-TPE vs. CB-Waterproof

The table below puts the two models side by side using published Focuses specifications only. It is intended as a specification sheet that a buyer can lift directly into a sourcing brief.

Read across the table and the decision becomes narrow rather than complicated. Both cables share the same conductor class, the same 6A maximum current and the same 240W charging ceiling, so those rows do not decide anything. The rows that decide are waterproof rating, sealing method, additional protection claims, published working temperature and interface set. Buyers whose answer to “will this cable get wet?” is yes should stop at the CB-Waterproof; buyers whose answer is no can take the flexibility and eco-friendly TPE material of the CB-TPE without losing charging performance.

FAQ

Conclusion: Decide on Protection Class, Not on Power

The CB-TPE and the CB-Waterproof are not competing versions of the same cable — they are two answers to two different operating conditions. Both use tinned copper conductors, both reach 240W at 6A, and both support custom logo printing, so the specification rows that matter are the ones covering water and temperature. If the cable will meet water, rain, sweat or wash-down, the IPX7-rated CB-Waterproof and its sealed integrated molding are the correct specification, and its documented -20℃ to 70℃ range covers low-temperature outdoor use as well. If the cable will stay dry and the buying criteria are a soft, flexible jacket, an eco-friendly TPE material and a multi-type USB port, the CB-TPE delivers the same 240W charging performance without paying for sealing the environment does not require.

For importers building a complete accessory line, stocking both models under one supplier removes the need to compromise: one manufacturer, two protection classes, one documentation and delivery channel.