Product information:
Type: Bluetooth speaker
Connection method: Bluetooth connection
Interface type: USB
Battery capacity: 3.7V/1200MAH
Power supply mode: built-in lithium battery
Effective distance: 15 meters
Function: Insert card, dustproof, voice prompt
Operation mode: button
Play format: MP3
Shell material: plastic
Power supply mode: USB
Colour: Black
Specifications: 6.5 inch standard configuration (no wheat)