Enjoy Musical Freedom and Thumping Sound! Audio means everything to the sports wireless Bluetooth headphones, with 14.2mm larger sperker drive unit, this earphones delivers premium hi-fi stereo sound with rich bass, balanced mid and treble, make yourselves immersive into music concert every time put them on. In-ear design is good to block outside noise, make sure other side can hear you clearly during phone calls. One Button Control, Hassle-Free Listening, Wireless to Fullest! No need to take out your mobile phone if it's inconvenient, you can easily control music or phone calls as well by clicking the button on the ear buds. Truly cordless operations bring more chance to you. Wireless Earbuds with Long-lasting Battery Life of 120 hours, Never Stop! 1.The Bluetooth 5.3 wireless earbuds are designed to keep your music on the go, thanks to a 2600mAh charging case that holds multiple charges for the twins earbuds so that they can last more than 120 hours of using time. 2.There is dual digital battery display outside the charging case shows its charge percentage clearly as well as bars on each side that indicate earbuds is charging or fully charged, you even don't need to open the case to check, super convenient. Friendly Reminder 1) Before first time use, please remove the insulating film firstly. Headphones won't turn on when taken out of charging case if the protective films are not removed. 2) Please charge the charging case at least one time every two weeks. 3) If the wireless earbuds cannot be charged, please try to wipe the pins and points with alcohol cloth. One Step Pairing The wireless earpiece automatically powers on and automatically pairs with the last connected bluetooth device.Faster connection and easier to use. IPX5 Waterproof Through IPX5 waterproof nano-coating, the wireless headset provides protection from sweat/light rain, which fit for jogging, hiking, gym exercises, fitness, etc. (Not for swimming) Widely Compatible The sports bluetooth headset with ear hooks can be connected to almost all devices that support bluetooth. For example: computers, laptops, tablets, smartphones, etc. Bluetooth Headphones Born for Movement, Perfectly Fit for Any Ear Size and Never Fall Out! Comes with 3 different sized (M is installed on the earbuds, S & L are included in the packing box) rubber earplugs for different ear sizes, soft and skin-friendly material ensures snug wearing. Adjustable earhooks for secure fit, these in-ear earphones won't fall no matter what you do. You can be rest assured of not losing your earbuds while working out. Perfect for workouts/runing/gym/sports/outdoor activities/yoga/biking/driving/bending/jumping/farming etc. Tips: Selecting suitable ear caps can enhance wearing experience and sound quality a lot.