Trevi XR JUMP SPEAKER 16W WIRELESS USB MICRO SD AUX-IN XR 120 BT, 16 W, Wired & Wireless, Micro-USB, Stereo portable speaker, Black, Cylinder Trevi XR JUMP SPEAKER 16W WIRELESS USB MICRO SD AUX-IN XR 120 BT. RMS rated power: 16 W. Connectivity technology: Wired & Wireless, USB connector type: Micro-USB. Product type: Stereo portable speaker, Product colour: Black, Product design: Cylinder. Recommended usage: Tablet / Smartphone, Audio formats supported: MP3, Compatible memory cards: MicroSD (TransFlash). Battery type: Built-in battery, Power source type: Battery