Audio3 SoundYou Micro Mini Bluetooth Speaker for PC, Mac, iPod, iPhone, MP3, and More (White) Supports Wireless Bluetooth v2.1+EDR High Performance Built-In Digital Amplifier (1W x2 & 2Wx1) Powered by Built-In Rechargeable Lithium Ion Battery for 8 hours playback Acoustic Wave Ripple Technology Supports 3.5mm jack Analog Audio LineIn