Portable Wireless bluetooth Speaker with LED Backlight, Subwoofer, Mini Speaker

LED Lights Portable Wireless Bluetooth Speaker Outdoor Subwoofer Speaker Mini Sound

Functions: card insertion, radio, voice prompt, call function Type: Bluetooth speaker Connection method: Bluetooth connection Interface type: USB Frequency response range: 40Hz-20KHz Output power: 5W Signal to noise ratio: ≥ 70dB Power supply mode: built-in lithium battery Channel: 2 Playback duration: 4 hours Extended storage: 32GB (excluding memory card) Bluetooth protocol: 5.0 Number of speakers: 1 Effective distance: 15m Operation mode: press key Applicable population: General Display: Yes Playback format: MP3 Shell material: plastic Supported format: TF Card Speaker adjustment mode: key Whether there is radio function: Yes Box material: engineering plastic Appearance dimension: φ 88*83.5mm Packing list: speaker + charging line + instruction manual + packing box Color: Black