HiFi immersive sound and ENC noise cancellation: The Bluetooth headphones are equipped with a high-quality driver unit and a composite diaphragm to deliver deep bass and ensure stereo sound. Any wireless headphones with HD microphones and ENC noise reduction algorithm that can filter 85% of background noise and record your voice for excellent clarity during a call. Bluetooth 5.3 technology and automatic pairing: The wireless bluetooth headphones use Bluetooth 5.3 chip, which achieves lower latency and stronger anti-interference (delay is much less than 65ms), 75% more stable than Bluetooth 5.2. After the first pairing, simply take the Bluetooth in-ear headphones out of the charging case and they will automatically connect to your phone. Works with most Bluetooth enabled phones and devices. COOL TRANSPARENT LOOK AND SMART TOUCH CONTROL: The headphone charging case has a unique translucent design. Thanks to the top cover of the charging box, you can easily see the charging status of the wireless earbuds, as well as the cool earbud lights. The jogging headphones feature a smart touch design for easy one-finger control of volume, songs, calls and voice assistants. 48 Hours of Uninterrupted Music u0026 Dual LED Digital Display: The wireless headphones provide 8 hours of single-use usage, and the included charging case provides an additional 5 charges, allowing for a total playtime of 48 hours. Satisfy most people's listening needs throughout the workday. The in-ear headphones are equipped with a unique intelligent digital LED display that accurately shows the remaining power in digital format.