Model Number Awei Y280 External Product I D 4821454259457 Awei Connectivity Technology Wireless Speaker Type Bluetooth Speakers Compatible with Smartphones Port Type Wireless Number of Pieces 1 Nominal Output 10 - 20 Watt External Product I D Type EAN-13 Shape Tube Product weight 0.7kg Cabinet Material：Plastic Speaker Type：Portable Communication：Bluetooth Channels：2 Audio Crossover：Full-Range Built-in Microphone：Yes Display Screen：No Waterproof：No Bluetooth version V4.2 Channel system stereo (two channels)Battery capacity 4000m Ah / 3.7v Drive unit 66mm / 2.60 inches (about)Speaker power 8 W * 2 Charging time 4 hours Music duration 12 hours Maximum transmission distance 10 M