Descripción
1.Bluetooth Version:V4.2/RDA
2.Transmission distance?10mm
3.Speaker diameter??40mm
4.Sensitivity?89±3dB
5.Frequency response?0-15KHz
6.Battery capacity?3.7V/500mAh
7.Call time?8hour?70% volume?
8.Working time?2-3hours
9.Standby time?about 6 months
10.Charging time:2-3hours
11.Output power:2.5W x2
12.Dimension:?63*75mm
13.usb + sd + tf card