U5 TWS Watch Style Wiress Sports Bluetooth Earphone BlackFeatures: 1. Bluetooth 5.0, low power consumption, stable connection, no during gaming, smooth transmission 2. Stereo surround sound, showing dicate sound 3. Touch operation, simple. Can play/pause music, increase/decrease volume, answer/hang up/reject calls, etc. 4. Support TF card (not included) 5. Suitable for Apple watch straps on the market 6. The headset has a built-in lithium battery, which can be used with the charging box for long-lasting battery life 7. Type-C charging interface, supporting multiple charging methods 8. The oblique in-ear design conforms to the principle of ergonomics, and there is no pressure and pain to wear Product parameters: 1. Bluetooth version: V5.0 2. Connection distance: 12m 3. Single play time: 3-4 hours 4. Total playing time: 18-20 hours 5. Charging time: 1.5 hours 6. Life time: 20 hours 7. Battery capacity of the charging box: 330mAh 8. Headphone battery capacity: 30mAh Packing list: Charging box x 1 Strap x 1 Type-C charging cable x 1 Headphone x 2