Specifications: - Horn Output: 2Wx2,4 - Subwoofer Output: 7W,4 - Bluetooth Version: JL, V2.1 - Bluetooth connection range: 10 meters - Battery Capacity: Rechargeable battery 1800mAh,3.7v Horn Size: 2 inch Subwoofer Size: 4 inch Product Size: 136x314mm Frequency Response: 100-20Khz FM Frequency Range: 87.5-108mhz Signal to Noise Ratio: 80dB Power Supply: 5V,1A Audio Input: 3.5mm Aux-in Supports up to 32 GB on a USB and SD card AUX-in port. Rechargeable lithium battery What's in the box 1 x Torpedo Speaker