The waterproof sports earbuds are designed especially for athletes, offering superior stability with over-ear ear hook for extra comfort when exercising. The adjustable wireless earbuds' silicone ear hooks and ergonomic design make the earbuds stay in place when doing sports, running, hiking, jogging & other outside activities etc. With its deep bass & stereo sound, the wireless headphones are perfect for phone call and music listening! Our wireless headphones ensure extremely clear listening & speaking experience. The sport headphones have the function of phone answering/rejecting, volume adjustments, music switch and voice assistant. The headphones have been designed to be waterproof and sweat proof so they are specially suitable for sports. Sports friendly earbuds, ensure you enjoy your sports. With the charging case’s built-in 600 MAh battery, the case can last up to 8 hours for the 2 headphones’ working on one charge. The headphones can last for 15 days if you use them 2 hours per day. Whenever you put them back in the battery case, it fully recharges them up to 6 times. That means that you get 48 hours of use before you need to recharge the case. With the charging case you will get 48 hours of use on dual mode and 96 hours on mono mode.