B9 Tws 5.0 Earbuds Led Power Display Wireless Earphone Hifi Sport Earbuds With Mic Gaming Headphones Music Headset

Product features:
1. Second generation Bluetooth 5.0 chip
2. LED smart cool button light
3. 9D stereo HIFI bass surround
4. Graphene film speaker
5. Full metal casing
6. Magnetic pull-out charging box
7. Ergonomic design; will not fall when worn on the ear
8. Life waterproof; no matter whether it is sweat in the gym or outdoor sports in the rain, it will not cause damage to the headphones.
9. Support single/binaural use (left and right headphones have built-in microphones for independent voice calls)
10. The ergonomically designed headphone head with soft natural silicone earmuffs will not cause ear pain and other bad conditions even if you wear the headphones for a long time.
Product Parameters:
Bluetooth version: second generation Bluetooth 5.0
Music / call duration: 3 hours
Charging box can charge the headset:4-5 times
Charging box capacity: 300mAh polymer lithium battery
Headphone single ear capacity: 60mAh polymer lithium battery
Sensitivity: 120dB
Impedance: 32Ω
Bluetooth transmission distance: 10 meters
Charging voltage: 3.7V
Bluetooth decoder: ACC
Package Included: B9-TWS Bluetooth Headset*2 (left and right ears), Original full metal case charging box*1, Natural silicone earmuffs * 3 pairs (large / medium / small), Instruction manual*1, USB charging cable*1