NB: If you order 1piece you need to order it with other goods, as 1pcs can't be ship alone, is less than 1kg. (Pcs above 5 can be ship alone)

Product type:             Bluetooth
headset function:     wireless headphones, voice headphones

Bluetooth version:      V5.0

Bluetooth support:     A2DP 1.2, AVRCP 1.0, HSP, HSF 1.5

Frequency:                2.402-2.480GHZ, 2.4G ISM band

RF performance:        Receive sensitivity: -84dBm;

Frequency:                20 Hz - 20 KHz

SNR ratio (SNR):        70Db;

Power LED:                Blue light

Headset charging:      400MAH lithium battery that can be charged

Charging port:            Mini 5-pin USB charging connector

Normal charging time:           About 2.5 hours

Length of call:                      Up to 10 hours

Standby time:                      Up to 250 hours

Operating temperature:         -20oC - 55oC

Its special point:                   support status indicator, charging light
display product accessories:              headphones, USB charging cable,
instructions Product packaging size:   17.5 x 9 x 13CM