1, Bluetooth version: 3

2, transmission power: Class2

3, wireless frequency: 2.4-2.48GHz

4, transmission distance: 10 meters

5, charging time: 2-3 hours

6, call time: 7-9 hours

7, product size: 105 x 75 x 155MM

Function: Bluetooth +TF card + Radio

Using method:

1, press the answer key to the indicator light red, blue flashing alternately;

2, open mobile phone Bluetooth capabilities and make it search for new equipment 503