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Experience clear audio and natural sound with our noise-cancelling, waterproof Bluetooth headset designed for all-day comfort and long-lasting performance.
| Brand Name | COOFINE |
| Model Number | K21 |
| Model Name | K21 |
| Box Contents | Cable |
| Age Range Description | Adult |
| Country of Origin | China |
| Number of Items | 1 |
| Manufacturer | COOFINE |
| Headphones Ear Placement | On Ear |
| Headphone Form Factor | In Ear |
| Earpiece Shape | Ear Hook |
| Unit Count | 1.0 count |
| Carrying Case Battery Charging Time | 2 Hours |
| Impedance | 1 Ohms |
| Noise Control | Active Noise Cancellation |
| Frequency Range | 20 Hz - 20,000 Hz |
| Enclosure Material | Plastic, Silicone |
| Compatible Devices | Smartphones, Computers, Car Audio Systems |
| Water Resistance Level | Waterproof |
| Product Features | Sweatproof |
| Headphone Jack | No Jack |
| Network Connectivity Technology | Wireless |
| Wireless Technology Type | Bluetooth |
| Bluetooth Version | 5.0 |
| Colour | golden |
| Control Type | Voice Control |
| Control Method | Voice |
| Battery Charge Time | 2 Hours |
| Battery Average Life | 21 Hours |
| Brand | COOFINE |
| Ear placement | On Ear |
| Form factor | In Ear |
| Connectivity technology | Wireless |
| Wireless communication technology | Bluetooth |
| Item Weight | 0.2 lbs (90 grams) |
Ideal for professionals who need hands-free calling while multitasking in office or home environments.
Great for users who enjoy outdoor activities and require durable, waterproof headphones for calls.
Perfect for commuters seeking a lightweight, noise-cancelling headset to enjoy calls on the go.
Not suitable for users who prioritize high-fidelity sound quality for music or audio entertainment.
Bluetooth Headset Single Ear Hook Wireless Headphone with Mic Noise Cancelling Waterproof Earphone Hands-Free Cell Phones Earpiece
The COOFINE Bluetooth Headset has garnered mixed reactions from users, reflecting a blend of appreciation for its hands-free capabilities and frustration over certain fundamental flaws. Many users appreciate its practicality, particularly for activities such as listening to music or podcasts during walks or while relaxing. The single-ear design allows for convenience in these scenarios, as customers only require one earpiece. Users often cite the fit and comfort of the headset as positive attributes, with some even praising its sound quality, specifying that it works well for casual listening. However, there are notable issues that detract from the overall experience. A significant number of users expressed dissatisfaction regarding the absence of clear instructions, particularly as they were only provided in Chinese. This lack of guidance left customers guessing functions, which is frustrating for Consumers expecting intuitive usability. The sound quality is another point of contention; while some find it satisfactory for casual listening, others reported poor call quality and concerns around charging reliability. The absence of a volume control further limits the headset’s overall functionality. In conclusion, while the COOFINE Bluetooth Headset may suit users looking for a simple, budget-friendly option for audio Consumption, its shortcomings in instruction clarity and overall call performance may prompt potential buyers to Consider other alternatives. **
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