Bluetooth version：         V5.1

Chipset:                            6956F

Work Distance：             ≤10m

Music Play time：           around 80-100 hours，

Wearing：                       Neck-lace

Battery capacity：           400mAh,

Charging Plug:                Micro USB

Product Color：              Black /Green,Pink

Functions：                     bluettoth、TF card、switch EQ sound effect 、Compatible gaming headset configuration with low latency,With led display, a second battery, 360 degrees of hearing , stereo sound,

support protocol ：        HSP/HFP/A2DP/AVRCP

 respone frequency：      20-20000Hz,

 current input：               DC5V/50-220mA