CM Bikin Bluetooth Bicycle Speakers LED Light Built in 2200mAh

Version : Bluetooth V2.1+EDR
Radio frequency band :2,402 ~ 2,480GHz
Wireless reception range : Within 10m
Support Profile:
Advanced Audio Distribution Profile
Audio Video Remote Control Profile
Hands Free Profile
Headset Profile
Wating time :200 days
Call time : 40 hours
Music playback time : 10hours
Using the flash time : 6 hours
Charging time : 4 hours
Audio : 1.5W 200Hz ~ 20KHz
Harger :
Input voltage : DC5V
Input Current : 1000mA
Output voltage : DC5V
Output Current : 500mA
Battery Capacity : 3.7V, 2200mAh
Size :36mm x 156mm (width x height)
Weight : 78g