TOUCHMATE 2.1 Home Theater With SD/USB Slot to Play Music files loaded in SD/USB drives along with Audio-in by 3.5mm Jack. Elegant Design With Rich Look stylish Settelite Speakers. Best Decor For Home / Office, Excellent Crystal Clear Sound Effects With Built-In Dynamic Stereo Amplifier upto 2000W PMPO output, 2 Satellite + 1 Woofer With Volume, Bass & Treble Control, Mode button to Select SD/USB and Audio-in.Best For Computers, 3D Games consoles, Audio Systems, MP3-MP4, Mobiles & DVD/CD Players, Compatible With All Sound Cards And Audio Sorces, Surround Sound Entertainment with X Bass Technology. Multifunctional Sound System..It worth to buy it....