Satechi BT is a super-stylish Bluetooth stereo speaker system that combines exceptional audio performance and cutting-edge portable design. It connects wirelessly to your smart phone, tablet, notebook, allowing you to listen to your music in high quality audio or to speak to callers through the built-in DSP microphone. Ultra Portable Design Being wireless means it’s as portable as your phone. The strikingly attractive, compact unique design fits snugly into a provided carry pouch between uses. Dynamic SoundArmed with the signature Bass Expansion System, the nifty speakers extend to amplify dynamic audio range without compromising on acoustic integrity. Bluetooth ConnectionSatechi BT easily pairs with iPhones, iPads, notebooks, and other Bluetooth-enabled mobile devices. It streams music and handsfree communication from the standard Bluetooth range of up to 33 feet away. Built-in Audio Connection Connect most any audio device thanks to the built-in 3.5mm audio jack that is always in reach. The audio cable neatly slips away underneath the speaker when not in use. Series Connection Connect a row of Satechi BT Speakers to get jaw-dropping audio.USB Charging With long-lasting lithium-ion rechargeable batteries built in, the Satechi BT gives you plenty of playback time. When you do need a charge, grab the included USB cable and connect to any USB charger or USB port on your computer. What’s in the BoxSatechi BT Speaker, Charging Cable, Carry Pouch, User Manual.