wireless bluetooth speaker

Basic parameters Power supply: built-in 3600mAh lithium battery Speaker type: Bluetooth speaker It takes about 4 hours to charge the USB power supply of DC5V-1A Storage type: support capacity not greater than 32G Micro SD card technical parameter Speaker unit: 2 60mm external magnetic speakers + 2 Frequency response: 55Hz-18KHz 65mm low frequency radiator Wireless connection: Bluetooth5.0 USB specification: USB2.0, compatible with USB1.1 Output power: 20WTHD≤1% Play function product specification 210x90x90mm MP3 format: 8Kbps 320Kbps Product net weight 650g (including built-in lithium battery) WMA format: 32Kbps 384Kbps WAV format: 32Kbps-1414Kbps Support MP3, WMA, WAV.APE, FLAC format Product acessories USB power cable, 1 3.5mm audio cable, 1 lanyard, 1 data cable