HiFi Steoro Sound and Noise Reductionour mini stereo wireless headphones are more stable and provide zero waiting seamless connectivity within 10-15M. High-fidelity music quality. The built-in microphone uses advanced CVC8.0 noise reduction technology, which helps reduce environmental noise and echo, thereby improving real-time voice sound during a call, while maintaining the sound quality of HiFi music.Upgraded Bluetooth 5.3 TechnologyThe bluetooth earbuds uses the Bluetooth 5.3 chipset. Support HSP, HFP, A2DP, AVRCP,SPP. Bluetooth 5.3 technology to ensure more stable connection, lower latency and lower power consumption during data transmission. It provides faster and more stable signal transmission and successfully achieves low latency without interruption. With a range of up to 15 meters,The high compatibility allows it to work on all your devices- cellphones, PC, laptop ect.One Step Pairing&Button Control wireless headphones give you the most portable one-button quick pairing operation, Simply take the earbuds out of the charging case and they will automatically connect to your phone (just need 2 seconds).Even if you put the mobile phone in your pocket, it will not be disconnected.Button Control can help you easy to achieve multiple functions, include play/pause, answer/reject phone, volume adjustment, switch music, activate voice assistant etc.Ears PainlessThe half-in-ear design is safer and more comfortable than traditional in-ear earbuds, and the included different sizes of earbuds ensure a perfect fit for everyone. Plus, at just 0.1 ounces per headphone, these headphones are practically weightless. Whether you're on a plane or subway, you'll appreciate being able to hear announcements and conversations around you without having to remove your headphones100H Playtime and IPX7 WaterproofThe Earbud can be fully charged in the case for many times, if the charging box is full of power.providing more usage time. The waterproof nano-coating design of the wireless running headphones can prevent sweat damage, which is very suitable for Home, Work, Sport.