Protable Sport Music Player Headphone

Sport Music player Headphone
* As MP3 Micro SD card headphone
* As FM radio
* As Multimedia computer headphone

Supported file formats: MP3, WMA
Communication protocols: USB2.0
Digital frequency: 24-Bit
Audio frequency response: 20Hz-48kHz
SNR: About 75dB(1kHz)
FM frequency range: 87.5MHz-108MHz
FM receiver sensitivity: 86dB UV
Output power(peak)20mW
Channel separation: 30dB at 1kHz S. P. L
Extermal power supply: USB5V/350mA
Power(peak): 40mA
Battery life(full): 6 hours