SadoTech ME-28 Portable Bluetooth 4.0 Wireless NFC Speaker System, 2.0-Channel Stereo, 3.7V 1200 mAH Built-in-Battery, 3W &times; 2 Output, 3D-Surround Effect With Powerful Bass, Built-in-Handsfree function for Calls by all Smartphones including iPhone/iPad/iPad Air/Samsung Galaxy Phones/PC/Laptops/Tablets - Black The Mondrian style design of SadoTech ME-28 makes it elegant and graceful with 2.0 channel stereo sound. It has a built-in microphone for hands-free calling and answering with easy to use controls for music. A rechargeable high capacity battery to ensure that you enjoy the music for long time with your friends. With the new Bluetooth 4.0 technology this sexy Bluetooth speaker is fully compatible with all Bluetooth enabled smartphones like tablets, iPhone, iPod touch, iPad etc. The device comes with a 3.5 mm audio jack (AUX) and a USB to small USB cord to connect non-Bluetooth devices with the speaker.