Microlab MD220 Portable Stereo Speaker for Tablet, Smartphone and Notebook (RED, MD220RD) Color

Rechargeable battery, Energy-saving function
Portable sound bar for any tablets and Smartphone with 3.5 mm stereo input
Retractable resting tray for any tablets and smartphones
2x1 alloy coating drivers to deliver rich and clear sound
Distortion-free with built-in digital processor
Two power modes - USB or rechargeable Lithium battery powered