Features:
1.This speaker owns excellent sound quality,with perfect audio design.
2.Bluetooth audio transmission and handsfree call.
3.Bluetooth selfie while listening to music
4.FM Radio
5.prompt tone for any work status
6.TF card playing mp3/wav format music
7.inbuilt high-capacity li-ion battery for power supply,long standby time
8.Self-timer Anti-Lost Alarm
How to use
1.pls charge over 2 hours before use,the red light will be lit when it is charging.pls make sure it is on when its use,it will enter into bluetooth
2.mode by default when no TF Card inserts into speaker
Specifications:
1.Output power:3W
2.Sensitivity ratio:360mv
3.SNR:80db
4.input power supply:DC5v/500mA
5.Frequency:120HZ-20KHZ
6.Bluetooth version:bluetooth 2.1+EDR
Note it is watch style,not real watch can not display time
Package includes:
1 x Watch style speaker B20
1 x USB Cable
1 x Maunal