♫ Enjoy your headphones for a longer time♫ This earbud is equipped with a larger battery. A single earplug is 80mAh, and the charging box is 1000mAh. The charging case can provide 5 full charges for the earbuds. We increased the usage time to a total of 52 hours. At the same time, we try to speed up the charging speed so that you can enjoy the headset without waiting for a long time. | ♫Hi-Fi stereo sound quality ♫ Enhanced version of Bluetooth 5.0, CVC 8.0 noise reduction. All sounds will be optimized. What you hear in your ears will be beautiful sounds, not noises. Enjoy music with excellent Hi-Fi quality stereo, you can even hear the bass. What a great wireless headset. | ♫Wireless Bluetooth headset♫ Are you tired of being bothered by wired headsets? Why not try to buy yourself a wireless Bluetooth headset! Blumelody bluetooth headset allows you to get rid of the shackles of wires. IPX5 waterproof can reduce the worry of water damage to the earphones. With music, you can dance, run, jump, hike, etc. Wireless headphones, wireless life! | ♫Smart connection, one step in place♫ No cumbersome steps to trouble you. Just take the Bluetooth headset out of the charging box, turn on the Bluetooth, and connect to "Blumelody BM8". Next time you use it with the same device, just take out the headset and wait for it to connect automatically. | ♫Securely fit each ear♫ With ergonomic design, the blue Bluetooth earplugs are perfectly suitable for long-term use of the ears. We provide three different sizes of headphone covers to replace. You can choose a size that makes you feel comfortable. You will get a better experience of wearing earplugs.