ORIGINAL NIA HEADSET BH720 CSR Chip wireless headset for fast connecting and clear sound calling

ORIGINAL NIA HEADSET BH720 CSR Chip wireless headset for fast connecting and clear sound calling

Bluetooth Function
Bluetooth CSR 4.0chips
Speaker diameter:40mm
speaker impedance：32ohm
speaker sensibility：108db+/-3db
Frequency response：20-20000Hz
use for ipad,mobile phone,computer,etc.
playing time:8 hours
color: 5  color
MEAS:66.5x35.5x55.5CM
QTY:  60   PCS