HiFi Steoro Sound and Noise ReductionOur mini stereo wireless earphones are more stable and provide zero-wait seamless connection within 10-15M. High-fidelity music quality. The built-in microphone adopts advanced CVC8.0 noise reduction technology, which helps to reduce environmental noise and echo, thereby improving the real-time voice sound during calls while maintaining the sound quality of HiFi music.Upgraded Bluetooth 5.3 TechnologyThe Bluetooth headset uses Bluetooth 5.3 chipset. Supports HSP, HFP, A2DP, AVRCP, SPP. Bluetooth 5.3 technology ensures a 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. The range can reach up to 15 meters, and the high compatibility allows it to work on all your devices (mobile phones, PCs, laptops, etc.).One-step pairing and button controlThe wireless earphones provide you with the most portable one-button fast pairing operation, just take the earbuds out of the charging box, and they will automatically connect to your mobile phone (in just 2 seconds). Even if you put your phone in your pocket, you won't be disconnected. Button control can help you easily achieve multiple functions, including play/pause, answer/reject calls, volume adjustment, switch music, activate voice assistant, etc.Ear Pain-FreeThe semi-in-ear design is safer and more comfortable than traditional in-ear earbuds, and the included earbuds of different sizes ensure a good fit for everyone. In addition, each earphone weighs only 0.1 ounces, and these earphones are almost weightless. Whether you are on a plane or on the subway, you will be happy to be able to hear the broadcasts and conversations around you without taking off your earphones. 100H Playback Time & IPX7 WaterproofIf the charging box is fully charged, the earbuds can be fully charged multiple times in the box. Provide longer use time. The waterproof nano-coating design of the wireless earphones can prevent damage from sweat, making them perfect for home, work, and sports.