Material : ABS
Color : Blue / Red /Yellow / Black /Green
Size : 8.7 x 9.4 x 3.3
Output Power : 3 watts
Operation frequency : 24HZ-2.48KHZ
Audio signal -noise ratio: >75dB
Built-in Power : 400mAh
Working time : Up to 3.5hours
Control distance : about 10 meters