*Built-in Li-ion rechargeable battery

*High-class Aluminium & Acrylic finish

*7 color changeable Glowing light ,control for each color  or atomically color changing

*With Volume-/+ and  Pre-/Next +

*With hands-free function

*Bluetooth Version:V5.0

*Aux in for connect with other MP3,PC…

*Driver Size: 1.75"full range*1+Bass radiator*1

*Power Supply: DC3.7V/ 500MA

*Power Output: 3W (RMS)

*Play Hour: 5 Hours by 70% volume