1. Clear call 2. Support Bluetooth/TF card/3.5mm cable to play music 3. Key operation, simple and convenient 4. Built-in lithium battery for long life 5. Hifi sound quality, pure and true sound 6. Bluetooth 5.0 chip, high performance, low power consumption, no delay 7. Fully compatible with Bluetooth-enabled devices. Product parameters: 1. Drive: 40mm 2. Impedance: 32ohm 3. Bluetooth version: Bluetooth V5.0 4. Bluetooth frequency band: 2.4GHz 5. Power level: Class II 6. Bluetooth distance: barrier-free 10m 7. Frequency response: 20-20000Hz 8. Support protocol: A2DP/AVRCP 9. Charging time: about 1 hour 10. Talk time: about 3-4 hours 11. Music time: about 3-4 hours 12. Standby time: about 120 hours 13. Battery capacity: 200mAh 14. Charging interface: Micro USB
