(4)Material:Plastic with metalic painting

Main Spec.

(1)Bluetooth version:Bluetooth V5.0
(2)Working Range: 10meter
(3)Built in 1200mAh rechargeable battery
(4)Working time: up to 3 hours
(5)Distortion: <3%
(6)Frequency response: 100HZ-20K HZ
(7)Loudspesker output: 4Ω3W
(8) LED light up your big LOGO in blue, white, red and green color optional;