Detailed description :
Output power : 1.5w x 1
Speaker Size : Φ 40mm
Support format : MP3 / WMA
External power : DC5v / 500 MA
Product Description:
Frequency Range : 80HZ-18KHZ
Impedance : 4
Input : Micro SD/AUX
Output : Φ 3.5mm stereo earplug
Standby current : < 0.5uA