Bluetooth speaker gradient color new gift $ 15.68 Connection method: Bluetooth connection Interface type: Android port Battery capacity: 1200 mAh Frequency response range: 100HZ-20KHZ Power supply mode: built-in lithium battery Expansion storage: 32GB Bluetooth protocol: Bluetooth 5.0 Effective distance: 10 meters Function: card Operation mode: button Play format: MP3 Shell material: plastic Support format: TF card Speaker adjustment method: button
