High Quality Sound. Enjoy crisp, full-bodied sound with superior stereo bluetooth speaker, built-in stereo drivers, experience stereo sound with enhanced the bass and powerful volume and the consequences is beyond your imagination. Super Bass. Built-in dual driver portable speakerphone, professional low-frequency radiation,high pitch clear, bass vigorous, soft sound quality. Extremely Portable. This speaker measures only 2.7 x 2.3inch and the weight is only 200g,superlight and easy to fit in your backpack, baggage,perfect for travel and hiking. Bluetooth Connect Technology. Connect over bluetooth in seconds to iPhone, Smartphones, Tablets, etc.Effective range up to 33 feet (10 meters) from any Bluetooth-enabled device.