Technical parameters:
Power supply voltage: 5 V (USB)
Distortion degree: THD+N: 0.006% (RL > 10kΩ)
Distortion degree: THD+N: 0.025% (RL = 32Ω)
Signal to noise ratio: 98 dB
Dynamic range: 98 dB
Headphone output power: 12 mW (RL = 32Ω)
USB supports sampling rate: 32K - 48K , 16Bit
USB support system: WINXP/WIN7/WIN8, apple OS 9/OS X MAC, Android 4.1 above system (need to support OTG models)