The beFree Sound 10 Inch 500 Watt Bluetooth Portable Speaker is a rechargeable speaker that provides incredible sound in any environment. With a 10 sub-woofer, this ultra-portable device combines pristine audio performance with convenient Bluetooth connectivity for wireless audio streaming. Its the ideal party speaker for BBQs, outdoor sporting events, tailgating, presentations, fitness classes and anywhere else full-range sound is desired. Features:10 Inch Sub-woofer500W Peak PowerBluetoothUSB and SD InputsFM radioRemote Control and Microphone Included (Remote requires 2 AAA batteries, and microphone requires 2 AA batteries, not included)4.5Ah Rechargeable Battery Battery lasts for 6 hoursAC DC WorkableGuitar InputMic Input5 Band EQMic Priority