【PREMIUM SOUND QUALITY】: A1 Plus earpods equipped the latest moving-coil horn loudspeaker with 6mm dynamic driver, it has Hi-Fi sound quality, 3D surround stereo, feel like you are listening the concert on the scene, easily lose yourself in your music. Bluetooth 5.0 and lossless HD rendering technology that produce incredible sound quality with crystal crisp treble. Enjoy your music everywhere even in a loud environment. 【2021 LATEST BLUETOOTH PAIRING TECHNOLOGY】The latest Bluetooth 5.0 with TWS technology on both ear buds wireless earbuds, provides faster pairing, stable connection and signal transmission (50ft no-obstacle range). Just opening the lid, A1 Plus wireless ear pods are always automatically connected and you will be in your music world in one second. They faster than any other Bluetooth ear phones. Powerful Bluetooth 5.0 chip that perfectly matches tablets, laptops, iOS, and Android smartphones! 【ERGONOMIC DESIGN & CVC8.0 NOISE ISOLATION】With carefully engineered ergonomic ear-tip design, and various custom fit ear-caps, A1 TWS Plus earphones iphone fit in snuggly with ears of most people, dispersing pressure for comfort, ensuring steadfast wearing, and providing right level of noise isolation. No more concerns of tangling lines, earbuds falling out, or noisy interruption, just move about freely for daily commute or sports with fully immersive music experience anywhere anytime. 【IPX7 WATERPROOF EARBUDS & ALL DAY BATTERY LIFE】A1 Plus airpods certificated with IPX7 waterproof, tested submerged to 5.0'/1.0 m for 30 minuites.It is rugged enough to endure everything from sweat to all water activities. Fine enough for any adventures. Single charging can maintain earbuds working 4 hours. The 3500mAh Charging Case provides 28 times charging for earbuds, you could charge your earphones with mic whenever and wherever you want. Otherwise you can also charge your smartphone. 【SMART FUNCTION & STRONG PENETRATION】Compatible with Apple Siri and Google Assistant, A1 TWS Plus wireless air pod help you reach your digital assistant with just light touches, activating your voice assistant for music, making calls and other voice-enabled navigations on your smart phone.The Bluetooth signal is good enough and the penetration is strong, even in the next room, you can hear very smooth music, earphones with microphone.