Dynamic Sound: Enhanced with 2 x 5W stereo drivers, this speaker delivers truly immersive sound with rich, jaw-dropping bass, tight mids, and crystal-clear highs. Whether you're walking around the house, partying, camping, skiing, hiking, biking, you can always enjoy HD stereo volume. Bluetooth 4.2 Technology: Connect in seconds via Bluetooth to: iPhone, iPad, iPod, Mac, Smartphone, Tablet, Windows 7, 8, 10 --- for playback from Chromebooks, TVs and non-Bluetooth devices, use the included 3.5 Cable audio mm to be connected to the AUX-IN socket. Allows viewing of content up to 10 meters (30 feet) away from any Bluetooth-enabled device. Original Sound Cancellation: No matter if your mobile phone's music software has the function of eliminating the original sound, you can use our microphone function to eliminate the original sound and sing your own voice. SAFE, DURABLE AND GUARANTEED: Made with Li-ion polymer battery, 6 kinds of built-in safety protections to ensure safe use and over 1000 charging cycles.