... 2011 Hongkong Electronics Show Brosfuture or your logoOEM factoryElectric torch music playerAlarm function Front and backside of the device Accessories ... 60 hours or more MP3,WMA,WMV,ASF Headset maximum output:(L)10mW+(R)10mW(32Ohm) Music format Frequency response:20Hz ... ---20KHzSNR(Signal Noise Ratio): 85DbSNR: 45dBMP1,MP2,MP3,WMA,WMV,ASF,WAV ...