【One Step & Auto Pairing】: Pick up the headset from the charging case, select "Luna One" on your bluetooth device, and access your phone's bluetooth settings to pair your wireless headset in just one step, and the paired device will automatically connect the next time you use it. 【Ergonomically design】: 45 degree in ear, no pressure pain to ear canal. Ergonomically design create the optimal listening experience.3g only ultra-light earbud with supermini portable charging case. the pocket-sized charging case does not take up any space to carry, and you will not have any pressure on wearing the 3g ultra-light ear buds. The ergonomic design provides a comfortable and secure fit that doesn’t protrude from your ears, especially for sports, workouts, gym. 【Fast charging/Extreme long battery life】: Just charge the wireless earbuds for 30 minutes to get 5 hours of use. With the High Capcity charging case, Bluetooth headphones can be used for 40 hours! Meet your long travel, work meetings, and study. With the better functions and the exquisite design, our bluetooth headphones are your better choice for a gift. 【Touch control your devices】: The BETMI earbuds support dual-ear touch control, providing convenient operation on the previous/next song, pause and answer calls along as well as voice assistant control. Bringing you the true wireless experience, nothing is more important than workout always with music. 【Wide compatibility】: Our wireless earphones are compatible with most devices, including the iOS or Android smartphones, tablets, laptop computers, TV and more.