Super cool B28S upgraded Bluetooth speaker

Product parameters :
Main functions Bluetooth. Call. U disk. TF card. AUX. FM (subwoofer)
Product material ABS plastic Bluetooth specification Bluetooth3.0
Transmission distance 10 meters Speaker size 52mm, 3Ω/5W
Amplifier Specifications Two-channel 5W*2
Battery specifications Built-in 1800MAH lithium battery Playing time 3-4H
Control: 4 button control Color: black, red, blue, silver, local gold

Box specification information :
Bare machine size: 400*55*70mm Boxed size: 422*67*77mm