Volkano Blaster Speaker Ultra Powerful - Grey - Great portable Bluetooth speaker with amazing sound Technical Specifications: - Speaker Output: 2 x 2W, 4Ohm - Subwoofer Output: 7W, 4Ohm - Speaker Size: 2 inch - Subwoofer Size: 3 inch - Bluetooth Version: JL ,V2.1 - Bluetooth Connection Range: 10 meters - Battery Capacity: Rechargeable, 1000mAh, 3.7v - Product Size: 14.5cm - 25.6cm - 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 - Speaker Size: 2 inch - Subwoofer Size: 3 inch - Bluetooth Version: JL ,V2.1 - Bluetooth Connection Range: 10 meters - Battery Capacity: Rechargeable, 1000mAh, 3.7v - Product Size: 14.5cm - 25.6cm Colour: Black/Grey What's in the box 1 x Speaker