1. [Open Ear Earbuds, Be Aware of the Surrounding]With a unique open-ear design, the clip on earbuds do not enter the ear canal, and can be gently and firmly placed on the ear. In this way, you can be aware of your surroundings while listening to music when running or cycling outdoors, and still can hear approaching cars or other potential hazards, go through the day with . Note that you may need to increase the volume slightly to get the sound experience. 2. [42H Playtime & Digital Display] On single fully charge, the wireless open ear earbuds last up to 4 hours, and the charging case can charge the earphones an additional time, so you can get 42 hours of total playtime from a fully charged case. Meanwhile, the smart LED Power Display shows the remaining battery in real-time. Don't need to worry about any power issue. 3. [Amazing Stereo Sound] Equipped with 16.2mm vibrating diaphragm speaker drivers that are three times larger than other wireless earbuds, the headphones deliver pure balanced audio and clarity output for all music genres. Utilizes the latest directional audio technology, allowing you to communicate clearly with others on the phone. Crystal clear, deep, booming bass with finely tuned sound signature provides immersive sound that puts you center stage. 4. [Bluetooth 5.4 & One Step Pairing]The bone conductive earbuds utilize advanced Bluetooth 5.4 technology for faster transmission speeds and more stable connections. Open the charging case cover, pick up the earphones, then simply click 'M79' in your Phone Bluetooth list to connect to your device, after the first successful pairing, the wireless earbuds will automatically connect to the previously paired device, no need to pair again.