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. It's 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-woofer 500W Peak Power Bluetooth USB and SD Inputs FM radio Remote 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 hours AC & DC Workable Guitar Input Mic Input 5 Band EQ Mic Priority WARNING: This product can expose you to chemicals including BBP, which is known to the State of California to cause cancer and/or reproductive harm. For more information, go to www.P65Warnings.ca.gov.