Bluetooth Version: V5.0

Built-in lithium battery:1200Mah

Speaker Size:66mm

Speaker Power:5w

Charging Voltage :DC5V

Charging Time:about 2.5h

Playing Time with LED:1.5-2H

Playing Time with LED:2.5-3H

Bluetooth Distance 10M, call hands-free function

Support :LED,TF/AUX/BT  

ESB8247B middle size music player portable wireless bluetooth speaker with colorful led