Bluetooth version：    V5.0

Chipset:                       Jerry6959A

Work Distance：         ≤10m

Music Play time：       around 80-100 hours

Wearing：                   Neck-lace

Battery capacity：       800mAh

Charging Plug:            Micro USB

Charge time:               1hour

Product Color：         Black 

Functions:                  QE sound effect selection,able to insert TF card and link connect to computer as a card reader,with power display