Type: Bluetooth speaker Connection method: Bluetooth connection Interface type: Micro-USB Battery capacity: 1500 Frequency response range: 40Hz-20KHz Output power: 10W Signal to noise ratio: ≥70db Power supply: built-in lithium battery Channel: 2 Playing time: 6 hours Extended storage: 32GB Bluetooth protocol: 4.0 Number of speakers: 2 Effective distance: 10 meters Function: voice prompt, card insertion, call function Operation mode: key Applicable people: General Display: none Play format: MP3 Shell material: wood Whether to support APP: Yes Support format: TF card Speaker adjustment method: button Is there a radio function: No Cabinet material: wood Appearance size: W150 * D85 * H75mm Packing list: 1 set of speakers, 1 charging cable, 1 English manual