[Digital Charging case] The wireless headset uses a dual LED digital display to provide real-time battery status. Easily monitor remaining power and plan usage accordingly. 【 Sound Quality and HD Speech technology 】 Experience high-fidelity sound reproduction to bring every note and detail to life and enhance your music listening experience. The built-in microphone ensures high-quality call performance by isolating sound and ambient noise. Enjoy uninterrupted conversation no matter your location. [One-touch Control & Auto On/Connect] Removed from the charging case, the earmuff earbuds automatically power on and connect to your device. Seamlessly pair and instantly enjoy your favorite content. They are compatible with most Bluetooth devices, including smartphones, TVS, computers, laptops and smartwatches [Bluetooth and multiple usage modes] You can confidently connect to your device. Ensure a stable, continuous connection within a distance of the paired device (approximately 9.1 m). It greatly increases the transfer speed and gives you a low latency listening experience. [Sports sweatproof Design] Based on thousands of ear canals, years of research have been conducted to improve peoples wearing experience. With a flexible and flexible earhook design, the earbuds fit perfectly with wireless Bluetooth, focusing on your daily exercise without worrying about falling off.