Specification:

The speaker unit:2

output power: 3 W x 2 (RMS)

frequency response range: 150 hz ~ 20 KHZ

impedance: 600 or more ?? manic ratio: 65 db or higher

distortion rate: 1%

Material: ABS.

weight about 500g 9.I/O: audio input: bluetooth + card/U disk / 3.5 mm audio input (AES/the EBU)

Battery life time: 4 hours or more (average volume)

operating functions (key) : add and subtract "+ -" mode, volume, music, play, pause, up and down

Packgae include

1 x Skatebord Speaker

1 x Cable