【Hearing Protection Technology & Ultra-Lightweight Design】 With an open-ear design that doesn't block the ears, this product solves the problems of vibration and pressure that occur with conventional bone conduction earphones that directly vibrate the bones, 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 are out, ensuring high safety. You can use it with peace of mind while running, walking, or commuting. If you are a beginner or don't like in-ear type earphones, alacoo bone conduction earphones are perfect for you! 【True Wireless Bone Conduction Earphones & More Freedom with Music】 With Bluetooth 5.4 communication, it is not affected by the congested radio wave environment outdoors, and the communication speed, communication distance, and stability are dramatically improved! Because it is a completely wireless type, you are free from the hassle of cables, and it feels like music has become a part of you! Furthermore, it excels in noise reduction technology during hands-free calls, making it ideal for teleconferences. This is a high-performance model that is active in a wide range of scenes, 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. Bone conduction earphones are slim and lightweight, but 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 bone conduction Bluetooth earphones. 【Easy Operation & Memory Titanium Alloy】 High-quality memory alloy material is used, and even if the earphones are bent, they will not deform, providing a stable feel over a long period of time. The earphones feel as light as a feather, weighing only 26g! It supports the waterproof and dustproof standard [IP55], and is also durable against rain and sweat!! You can easily control "music playback/pause, skip forward, skip back, volume up, volume down, answer/hang up/end calls" with one hand.