Bluetooth headset & speaker
Bluetooth version：4.1+EDR
Chip：CSR 8635
Bluetooth frequency：2.401-2.480 GHz
Bluetooth distance：≤10 M
Working  time：3.5-7 Hours
Charging time：1.5-2 Hours
Output maximum power：≥3W
Battery capacity：500mAh

Product Function:
* Headphones + speakers
* Eversion of headphones, easily variable speakers
* Support TF card