Bluetooth version: 4.2 Output power: 3W*1 DC-input: DC 5V 1A Built-in battery: 380mAh Frequency response: 100Hz-18KHz Signal & noise ratio: ≥80dB Speaker: 36mm*1pc Product size: 56*56*55.5mm Function: Bluetooth, TF card slot. 3.5mm Aux in Bluetooth. Net weight: 58g Color & pattern: can be customized
