Bluetooth 5.0 and HIFI noise cancellation – With the latest Bluetooth 5.0 chip and state-of-the-art wireless technology, our mini stereo wireless headphones are more stable and provide zero waiting seamless connectivity within 50ft. High-fidelity music quality and intelligent noise reduction make you enjoy amazing sound even in noisy environments Comfort Fit & Easy Controls – Special ergonomic design and only 0.1 Oz make the wireless earbuds sit comfortably and stable in your ears. Simply tap on the earbuds to skip songs, play/pause music, answer/hang up phone calls, activate voice assistant all without taking out your phone.Portable harging case and 80H standby – The new charging case is small and easy to carry; the charging case with LCD power display is more user-friendly, you can directly read the power data and replenish the power of the charging case in time. This versatile charging case also charges the phone. The Bluetooth headset can be fully charged in just one hour, with a playtime of about 4 hours and standby for 80 hours.Auto pairing / Independent left and right ears – Once the earbuds are removed from the charging case, the connection can be completed with a single click without any cumbersome operation. You can answer/reject calls, play/pause music, and change songs. A single earplug can also do a good job, you can share good music with family and friends.IPX5 sweat-proof running headphones – headphones use IPX5 waterproof technology and ergonomic design, ultralight and mini earbuds only weigh 0.1oz, when you exercise, run, the earplugs will firmly fit your ears, will not fall off easily. Don’t worry that it is not suitable for your ears. Our earplugs are very intimate. It is made of the highest quality materials and is equipped with soft silicone earplugs of S, M and L to make you enjoy music more comfortably.