High-powered, rechargeable Bluetooth speaker Supports Auxiliary Cable,& Micro SD Card Built-in FM radio Technical Specifications: - Speaker Size: 3 inch - Speaker output: 9W, 4Ohm - Battery Capacity: 1000mAh - Frequency response: 100-20kHz - Bluetooth version: V2.1 - Supports up to 32 GB on a USB and SD card - AUX-in port. Rechargeable lithium battery What's in the box 1 x Bazooka Speaker