♫【NEWEST BLUETOOTH 5.1 EARBUDS】The wireless earbuds Bluetooth adopt the most advanced Qualcomm QCC3020 Bluetooth 5.1 chip technology can provide a more stable connection, signal effective distance and system compatibility.♫【HiFi STEREO SOUND QUALITY】The wireless Headphones use 10mm vibrating diaphragm and HiFi rendering technology to create a rich HiFi sound experience, which makes it possible to experience a whole new music world of crystal-clear.♫【PORTABLE CHARGING CASE HEADPHONES】】When fully charged, the Bluetooth headphones offer 4-5 hours playtime , it can provide 4 additional power, using a portable charging box can provide you with a total of 30 hours of additional games Time for you to go out/travel/commute.♫【COMFORTABLE& ERGONOMICDESIGN】Each earbuds is lighter and weighs only 3.8 grams, ergonomically designed with incredible comfort and fit your ears firmly. After opening the Charging case, you can automatically pair the earbuds with the Bluetooth device seamlessly. Supports single and dual ear modes, You can feel free to use only one or both wireless earbuds. The one earbud mode supports using one earbud while the other one is charging in the case .♫【IPX7 WATERPROOF & SERVICE GUARANTEE】Wireless headphones with IPX7 waterproof sports earphones can easily prevent sweat and rain, Very suitable for sports running, cycling, hiking, mountain climbing, yoga, fitness, travel, etc.Please feel free to purchase our products, we ensure that you have a 90-day full refund and a 24-month warranty to provide friendly customer service.