Watch Bluetooth Speaker B90,support TF/Handsfree/Selfie/Time display/Alarm clock/stopwatch

Product Description

Features:
1.This speaker owns excellent sound quality,with perfect audio design.
2.audio transmission and handsfree call.
3.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
9.alarm clock function
10. Stopwatch function
11. selfie-timer camera function

Specifications:
1.Output power: 3W
2.Sensitivity ratio:360mv
3.SNR:80db
4.input power supply:DC5v/500mA
5.Frequency:120HZ-20KHZ
6.version: 3.0 +EDR