New Retro Bluetooth Speaker Radio Card Subwoofer Creative Gift Mini Antique Small Speaker

Power supply mode: built-in lithium battery Frequency response range: 40Hz-20KHz Play format: MP3 Packing list: audio, charging cable Display: None Number of speakers: 2 Speaker adjustment method: button Battery capacity: 500 mAh Function: card, radio, call function Power supply mode: USB Color: pink, blue, black, red Bluetooth protocol: 4.0 Output power: 3W Connection method: Bluetooth connection Interface type: USB Appearance size: 9*5*6cm Channel: 2 Play time: 6 hours Effective distance: 10 meters Support format: TF card Signal to noise ratio: ≥70db Extended storage: not supported Type: Bluetooth speaker Package:1 pcs