Cambridge SoundWorks OontZ BudZ Bluetooth In-Ear Headphones, with Zippered Case AMAZING FULL RANGE SOUND for High Fidelity stereo music and clear crisp speech; Skip free music outdoors COMFORTABLE AND SECURE FIT for sports and fitness with cord adjuster, 6 pairs silicone In Ear Cushion tips for noise reduction and 3 pairs Stay in Place Ear Cushions BLUETOOTH VERSION 4.1 for connecting in seconds to Bluetooth devices including iPhone, iPad, iPod, Samsung Galaxy, Samsung Note, Android Smartphones, Tablets; multipoint supports 2 phone connection; BUILT-IN MIC for hands-free phone calls BATTERY LIFE 10 hours talking time, 6 hours music; charges in 2 hours; battery meter display on smartphone SWEATPROOF IPX4 Waterproof design for comfortable use during exercise, running, and other outdoor sports