Specification: Item Type: Bluetooth Speaker_x000D_Material: ABS + Metal_x000D_Bluetooth Version: 5.0_x000D_Speaker Output: 3W Internal Magnetic_x000D_Battery Capacity: 400mAh _x000D_Battery: Polymer Lithium Battery (Built-In)_x000D_Play Time: 3-4 Hours_x000D_Transmission Distance: 10 Meters_x000D_Supports multiple playbacks such as Bluetooth, Memory card, call function, etc. Features: 1The speaker driver provides extraordinary sound quality performance to obtain rich deep sound and low harmonic distortion. 2The built-in 400mAh lithium battery allows you to enjoy up to 4 hours of playing time, and supports playing while charging. 3The effective transmission distance is 10 meters, the transmission is fast and stable, and it is compatible with a variety of devices. 4The mini size and portable design make this mini speaker easy to put in your clothes pocket and carry it with you. 5The mini metal speaker adopts surround sound effects, high-quality accessories, and sophisticated structural design. PackageList: 1 xBluetoothSpeaker 1 x Data Cable