ALLIMITY Wireless Bluetooth Stereo Earphones Bluetooth Sweatproof In Ear Sport Headphones with Mic for Gym, Hiking, Running, Jogging, Cycling, Exercising(Black)[Upgraded Version] Standard 4.1 wireless bluetooth earbuds, easy and fast connection with your bluetooth enable devices, including iPhone, iPad, iPod Samsung Galaxy, Sony, HTC, Nokia, most Android window smartphones Easy on board control buttons without reaching your phones. Can pair with 2 devices simultaneously Stereo streaming output, high clarity sound with noise cancellation tech for an unprecedented music experience Ergonomic design, equipped with 3 different size ear muffs to fit different ears not only for adult but also for child; Adding one portable zipper earphones carrying case, use for travelling, this wireless bluetooth earpiece is comfortable to wear and convenient for use Built in 95mAh rechargeable li-polymer battery enable up to 5 hours of talk time and 96 hours standby time with a single charge. Battery level indicator with ios devices