Color : Black /Silver /Gold /Pink
Material : Aluminum alloy+ABS Plastic
Size : 71.2 x 42.5mm
Weight :170g
Frequency range : 80Hz-20KHz
Output power : 3W 4 Ω
Working Voltage: DC 3.7V
Playing time : 2.5hours
Charging Voltage: DC 5V 500MA
With LED flashes Music