Bluedio BS-3 (Camel) Portable Bluetooth Wireless Stereo Speakers Revolution with Mic for Cell Phone/TV/PC/Calls Home Gift (White) Innovative 3-magnet driversBreaking traditional single-magnet construction, 2 more secondary magnets are added to each driver, to greatly improve sensitivity and fidelity. This exclusive technology combines with dual radiators to deliver full-range sound. 24bit@48KHz high resolutionTo clearly reproduce details, the DSP processor decodes signals at high speed, up to 24bit@48KHz. Let you hear new details even in your most-played favorites. 3D surround effectSimply turn on the 3D surround effect, you'll experience something new - the sound is reproduced exactly as recorded. Carefully well-builtFrom the R&D to manufacture, we inspect every single part to make sure that they are beautifully integrated with each other. Also you can choose from 4 colors: Black, White, Gold and Silver. Long-lasting battery lifeFor great performance, the speaker needs a lot of energy, posting a big challenge to good battery life. Our engineers combine the Latest Bluetooth 4.1 technology and optimized circuit design to ensure 5 hours playback and 1000 hours standby.