Power: 5W Operation mode: button Unit: 4-inch full-range speaker Bluetooth version: 4.2 + EDR Bluetooth distance: 10 meters input Power supply: DC5V-1200MA Interface type: USB Battery capacity: 1200MA Frequency response range: 60Hz-15KHz Signal to noise ratio: ≥70db Power supply mode: built-in lithium battery Channel: 2.1 Play time: 6 hours Box material: plastic Support mode: U […]