Compatible with PCs, Android, and IOS devices and MP3, MP4, and MP5 Output: RMS 2R 5W THD=10% Frequency response: 150-18000HZ Signal and noise ratio of power amplifier: >80db Loudspeaker: 4 inches (external diameter 102mm) Magnetic resistant 5hms Power supplied: Power adapter 3.7V/800mA Audio Input: AUX, USB, TF
