Stereo type Bluetooth 4.1 earphone
Track system Monophonique
The control mode A physical button
Bluetooth solution IS2008S
Support Bluetooth profile A2DP, AVRCP, HSP, HFP, APTX
Bluetooth working frequency 91dB
Compatible with 2.402GHz-2.480GHz
Bluetooth range ≤10 meters
TBR <10cm
Max power 10mW
S/N ≥90dB
Frequency response 60Hz~20KHz
Speaker type 10mm 32R
Battery Li ion battery -3.7V 55mAh
Music time About 8 hours
Talk time About 9 hours
Charging input criteria Micro USB DC 5V 500mA-1000mA
Charging time About 1.5 hours
Model number GF-B1
Type Bluetooth earphone