1.Wireless headphone 2.SD card reader,with FM radio 3.Rechargeable 4.Adjustable headset 5. ... Black,White,red,blue 1.Wireless headphone2.SD card reader,with FM radio3.Rechargeable4.Adjustable headset5.Black,White,red ... ,blue Support formatMP3/WMA/WAVFrequency range of receiver87.8~108MHzS/N ratio>90dBTHD<1%Frequency response20Hz~20KHzpower supply300mA/h chargable batteryWorking ...