Product information: Type: Bluetooth speaker Item No.: M3 speaker Color: yellow-green gradient, blue-red gradient, bright silver, green-silver gradient Power supply mode: USB Whether the source of patented goods: No Bluetooth version: V5.0 Transmission distance: about 10 meters Speaker output: 3W Product material: metal + ABS Frequency response: 80Hz~20KHz Signal to noise ratio: 80dB Battery capacity: 300mAh Playing time: 10h Product size: 50*50*31mm Packing list: Bluetooth Speakerx1