SHARKK Flex 2o Bluetooth Headphones Wireless Workout Headphones IP67 Sweatproof Waterproof Sport Earbuds Headphone with Mic &#x1f4a7; IP67 WATERPROOF HEADPHONES  The Sharkk Flex 2o Bluetooth headphones are IP67 waterproof rated. They can withstand moisture and sweat during workouts or morning runs in the rain. &#x1f4a7; ADVANCED TECHNOLOGY  Enhanced 4.1 Echo Elimination technology creates a crisp, beautiful, clear sound. For added convenience you can answer phone calls, skip tracks and control the volume using the buttons located directly on the earbuds. &#x1f4a7; BATTERY LIFE & RANGE  The Flex 2o earbuds from Sharkk have a rechargeable 85mAh battery that provides 6-8 hours of continuous play or talk time. These earbuds also have a pairing range of up to 30 feet, so when you are in the gym you can leave your phone at a safe distance. &#x1f4a7; COMPATIBILITY  Using the Bluetooth 4.1 technology you can pair these headphones with your iPhone or Android phone or tablet. &#x1f4a7; DESIGN - These Bluetooth headphones feature a flexible silicone ear band to help them comfortably stay in place during your most strenuous activities. You can also easily rest the headphones across your neck using the wire that connects both earbuds.