Super Subwoofer Mini Small Bluetooth Speaker

Product information: Connection method: Bluetooth connection Interface type: USB Frequency response range: 40Hz-20KHz Signal-to-noise ratio: ≥70db Power supply mode: built-in lithium battery Channel: 2.1 Playing time: 8 hours Number of speakers: 2 Effective distance: 10 meters Operation mode: button Shell material: plastic Speaker adjustment method: button Whether there is a radio function: yes Size Information: 92x84x52mm Packing list: Bluetooth Speaker*1 Product Image: