Gravastar Subwoofer Portable Bluetooth Speaker Wireless Stereo Heavy Bass Column Mini Loudspeaker LED Metal Boombox Music Player

Product information: Type: Portable speaker Supply category: Spot Connection method: Bluetooth connection Interface type: USB Battery capacity: 1500 mA Output power: 10w Power supply mode: built-in lithium battery Playing time: 8 hours Bluetooth protocol: 4.2 Effective distance: 15 meters Operation mode: button Applicable people: general Shell material: metal Whether to support APP: No Speaker adjustment method: button Box material: metal Product weight: 0.45 (KG) Size Information: Size: 98x