Features: Outdoor HIFI Bluetooth Radio Output very clear sound and dynamic sound effect With A2DP/AVRCP Bluetooth Wireless Audio Stream music from any Bluetooth-enabled device such as your mobile phone, notebook, iPhone or iPad Secure simple pairing for user-friendly operating 10 meters operating range With USB and Micro TF supporting With Line-in function, suitable for PC’MID’TV and other audio device With FM Radio FUNCTIONS: USB/TF card slot, AUX in, one mic input jack, AC input charger, power on/off ECHO: for wired & wireless microphone MIC VOL: volume control of Wired & wireless microphone Master Volume control, Bass adjust, Treble adjust MODE button: USB, Bluetooth, FM Radio, AUX in REC: press to start or stop the recording to your USB or TF card. Recording through wired microphone or wireless microphone RPT: repeat function MIC Priority: when microphone is in use, the volume of other audio sources will decrease PREV: previous song, or previous radio station PLAY: press to Stop or Play NEXT: next song or next radio station LED: new LED effect switch on/off SPECIFICATION: Bluetooth range: up to 10 meters Size: 2 x 5.5” Woofers with 2” Horn Tweeters Output Power: 240 Watts Connections: USB disk, Micro SD card reader, Microphone input jack Aux-in 3.5mm jack connection Power supply: Built-in rechargeable lithium battery 7.4V 4400mAh Play time: 5hrs with 50% volume Recharge power: 9V/1.5A Product size: 250(L) *320(W) * 560(H) mm Charge time: 5-6 hours (9V/1.5A)