True ds Bluetooth 4.2 Mini TWS 3D Stereo Sound Built-in Mic IPX6 Waterproof with Portable Charge Case
1) Chipset : Actions AT2823 |
2) Bluetooth version: V4.2 |
3) Earbattery: 2*50mAh |
4) Receiving Distance: 10m |
5) Working frequency: 2.4~2.8 Ghz |
6) Work/Music Time: 4 hours |
7) Standby time: >40 hours |
8) Charging case: 300mAh |
9) Charging time: â¥2H |