100% Compatible Bluetooth multimedia speaker system with mobile/ tablet/ laptop / computer/ pen drive / SD card. Performance gives excellent audio output when you are enjoying your movies/music in your own comfort. Durable and reliable performance from a high quality manufacturing unit. Effective distance: about 10M Adapter interface: Micro USB, Loudspeaker Output: 3W, Input Power: DC 5V, Supports Card Type: MicroSD (TF). Max Extended Capacity: 16GB. Built-in Battery Capacity: 520mAh. Built-in Li-ion battery, enjoy wireless music anywhere, anytime. With TF card slot, can play MP3 format files in the TF card. Package Include: 1 x MBT-S10 Mini Bluetooth Speaker, 1 x Micro USB Cable.