About this item ENC & High-quality sound: Environmental Noise Cancellation technology is able to monitor and lower the ambient noise. You'll experience incredible high-quality stereo sound even in noisy surroundings. Enjoy audio literally, get HD calls and high-quality video chats anytime, anywhere. These earbuds provide Hi-Fi sound quality, deep bass, and 3D surround stereo, vividly reappearing every detail of the music. Smart Touch & Waterproof: Simple and convenient control system. Tap once to play/pause music and answer calls, double tap to skip forward/backward, long press to adjust the volume, and long press for 2 seconds to refuse to answer. Nanotechnology is used to effectively prevent earbuds from being damaged by sweat and rain, making them suitable for sports. You can enjoy wonderful music while exercising and showering. Bluetooth 5: Adopting advanced Bluetooth 5.3 technology, you can enjoy a low-latency listening experience and high-quality call experience. One-step pairing