Thank you for viewing! 【Hearing Protection Technology & Ultra-Lightweight Design】 With an open-ear design that doesn't block your ears, this bone conduction earphone solves the problems of vibration and pressure that occur with traditional bone conduction earphones, making it less likely to cause discomfort. Even with continuous wear for long periods, there is no pain. You can safely enjoy music while taking in the sounds of vehicles while you're out and about, making it safer. You can use it with peace of mind while running, walking, or commuting. If you're a beginner or don't like in-ear earphones, alacoo's bone conduction earphones are perfect! 【True Wireless Bone Conduction Earphones & More Freedom with Music】 Bluetooth 5.4 communication provides dramatically improved communication speed, distance, and stability, even in congested radio wave environments outdoors! Because it's a completely wireless type, you're free from the hassle of cables, and it feels like music has become a part of you! Furthermore, it excels in noise-canceling technology during hands-free calls, making it ideal for teleconferences. This high-performance model is perfect for a wide range of situations, from business to everyday use. 【Type-C Fast Charging & 8 Hours of Stable Connection】 It also supports fast charging, making charging 'safe', 'fast', and easy and convenient. The bone conduction earphones are slim and lightweight, yet the battery lasts a long time. Continuous playback time is up to 8 hours. You can listen to music, calls, audiobooks, podcasts, etc., without worrying about the battery level. You can spend a long day comfortably by using bluetooth bone conduction earphones. 【Easy Operation & Memory Titanium Alloy】 High-quality memory alloy material is used, so the earphones won't deform even if they bend, providing stable use for a long time. The earphones feel as light as a feather, weighing only 26g! 【Package Contents】 Bone conduction earphones bluetooth *1, Type-C charging cable *1, earplugs *2, earplug case *1, Japanese instruction manual *1