Letv Bluetooth 4.0 Portable Wireless Speaker, 10W Output with Noise Reduction, Compatible with iPhone, Samsung, iPad and Other Audio Devices, Perfect for Outdoor, Gym, and Home (Pink) ADVANCED BLUETOOTH 4.0 TECHNOLOGY: Ultra-optimized version of Bluetooth that consumes less energy yet delivers more reliable connection, backward compatible with all Bluetooth-enabled devices (Bluetooth V2.1 and over) HIGH QUALITY CRYSTAL CLEAR SOUND: Distinct 10W power equipped with two precision acoustic drivers and special PU suspension deliver excellent stereo sound and enhanced bass; Unique cavity design projects distortion-free room filling sound in three directions, perfect for home, dorm, room, kitchen, bathroom, car, parties and gym BUILT-IN MIC: High-sensitivity mic for hands-free speaker phone calls from smartphones and iPhones; connect in seconds to Bluetooth devices including: iPhone, iPad, iPod, Samsung, Kindle, Smartphones, Tablets; Play audio from laptops and PCs ULTRA PORTABLE: Weight as light as 11 ounces, size as small as 3.9*6.5*3.1 inches; High capacity with built-in rechargeable battery supporting up to 8-hour continuous playtime IDEAL GIFT CHOICE: Nice gift with useful function and delicate design, perfect for friends, girlfriends, boyfriends, child