or 4 payments of Description
Features:
1. Long lasting working life, with 300mAh battery, support approximately 24 hours playback.
2. Uniaural earphone, 180° rotatable earbud, fits for both right ear and left ear.
3. Unique metal sound cavity, low interference, produces more rich immersive sound.
4. Sweatproof and waterproof, protect your device from splash, sweat, rain and etc.
5. CVC 6.0 noise cancelling, reduces the environmental noise effectively, more clear calls.
Specifications:
| General Specification | |
| Model | K21 |
| Color | White, Black |
| Wearing Type | In-ear, Earhook design |
| Net Weight (g) | About 14g |
| Technical Parameters | |
| Microphone | Yes |
| Bluetooth Version | V4.1 |
| Transmission Distance |
10m |
| Frequency Response |
20-20000Hz |
| Battery Capacity | 300mAh, 3.7V |
| Charging Time (h) | 2.5 hours |
| Talking Time | 32 hours |
| MuisicTime (h) | 24 hours |
| Standby Time (h) | 250 hours |
Package Included:
 |
1* K21 Bluetooth Earphone |
| 1* Charing Cable | |
| 2* Pairs of earmuffs | |
| 1* Manual |
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