POLAROID EARPHONES BLUETOOTH BLACK AND GOLD

Product Specifications: 
Bluetooth earphones.
BT Version.: Buildwin, 4.2 version.
Rang: 33FT/10 M.
Ear buds Battery:80 mAh,
Voltage: 3.7V
Power: <100mW
Talking time: appr.4 Hrs
Charging time:1-2Hrs
Charging way: USB 5V
Frequency Response: 20Hz-20KHz
Rated power: 2mW
Support HFP/HSP/A2DP/AVRCP