About this item 2022 New Bluetooth 5.3 Technology: Adopt the advanced Bluetooth 5.3 high-performance chip, wireless earbuds support HSP, HFP, A2DP, AVRCP, which provides faster transmission speed, stronger connection stability and longer range of bluetooth(Up to 15m). The earbuds wireless bluetooth are widely compatible with Windows PCs, Android, and iOS devices. Superior Clear Call and Immersive Stereo Sound: These bluetooth headphones with 13mm speakers and triple-layer composite diaphragms provide powerful bass, stunning treble and clear mids. CVC8.0 Noise Reduction tech brings advanced audio enhancements and noise reduction while calling with the earbuds, achieving clear calls even in noisy environments. LED Power Display and 40H Playback: Get 8 hours of listening on a single charge and up to a total of 40 hours when you use the charging case to recharge. Features with smart LED digital display shows remaining in percentage from 1%-100% to make sure you clearly know the battery any time. Fully charge the rechargeable case in only 1.0 hours via a fast-charge USB-C cable. Mini Ultra Lightweight and Ergonomic Design: Wireless earphones are small, ultra-light and comfortable. Each ear buds weighs only 3g, the ultra-light and ergonomic design allows you to wear them for a long time without feeling uncomfortable.The IP7 waterproof design protects your bluetooth earphones from sweat and splashes, which is ideal for sports, gym, workout, Hiking,etc. One-Step Pairing and Easy Touch Control:Taking headset out from charging case,they will turn on and pair with each other automatically. After first connection,It will reconnect automatically to your device next time. With a fingertip touch on the buds, you can easily answer/reject/end phone calls or control music (pause/play, switch next/previous song, decrease/increase volume) or activate voice assistant.