Bluetooth Version: JL5.0

VBAT: 2.2V - 5.5V / VDDIO: 2.2V - 3.6V /  RTCVDD: 2.2V - 3.6V

Wireless BT distance: 10 meters

Frequency Response: 20-20KHz

Charging time: Around 2 hours

(Bluetooth+FM+TF card)

250mAh Battery

Rubber Finished