Bluetooth version: V5.0 Bluetooth Distance: 10M Speaker diameter 40mm Speakerfrequency range: 20Hz~20KHz Battery specification: 400mAh Charging voltage: 5V Charging time: about 2h Bluetooth duration: about 16h Accessory: charging cable, 3.5mm Aux cable, TF card Color: black, rock white, gray, brown green
