NB: The product weight is 0.3kg, (If you order this alone we can't ship as is less than 1kg) you are advise to order at least 5pcs or order it with other goods on same shop and make sure the total weight of your order is 1kg and above

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