Product FeaturesLED large displayClock alarm functionCurrent temperature displayAUX audio inputMP3 audio outputFast charging technologyVoice call functionFM radio functionBreakpoint automatic memory playbackSupport TF card expansion playbackBluetooth one-button answer/hang upBluetooth player reverse control long standbyJerry Bluetooth 4.2, Bluetooth receiving distance 10-30 metersMobile phone karaoke microphone function (giving a mini microphone)Recharge your mobile phone and other digital devices (portable charging treasure)Basic parameters Bluetooth version: 4.2Output power: 5WDistortion: