Item:Feature:Support: Bluetooth， TF card，USB， FM Radio，Line in，Alarm clockLCD display show Time， Alarm clock， Line in， FM radio， charging Status，With alarm clock function in on state， you can set the alarm music via USB， TF card.Material: Plastic with rubber oilBluetooth status and so on;Support phone redialHigh sensitivity FM radio with internal antenna.Support Hand-free when answer calling (with MIC)Auto Voice Prompt power on/off and Bluetooth is connected and disconnectedBuilt-in Li rechargeable battery 1200mAHSupport telephone number reporting function Specification: Support: Bluetooth， TF card，USB， FM Radio，Line in，Alarm clockLCD display show Time， Alarm clock， Line in， FM radio， charging Status， Bluetooth status and so on;Support phone redialBluetooth remote control 15-30MIt support music formats: MP3， WMA，WAV， PE，FLACHigh sensitivity FM radio with internal antenna.Material: Plastic with rubber oiBuilt-in Li rechargeable battery 1200mAHSpeaker size: 240*55*61.5 MMFive colors: Black， Black + Red， Blue， Red， WhiteOutput/RMS: 5W*2Impedance:3Ohm SNR ?Y90db (line out) External USB 5V supply Frequency response: 80Hz-20KHzDistortion: 0.3%