⚫︎ Brand new, unused ⚫︎ Instant purchase OK! ⚫︎ Fast shipping (within 24 hours) ✨ 【Hearing Protection Technology & Ultra-Lightweight Design】Open-ear design that doesn't block the ears solves the problems of vibration and pressure that occur with conventional bone conduction earphones, making them less likely to cause discomfort. Even with continuous wear for long periods, there is no pain. You can enjoy music more safely while also taking in the sounds of vehicles while you're out and about, making it safer. Perfect for running, walking, and commuting. If you're a beginner or don't like in-ear earphones, alacoo bone conduction earphones are perfect for you. 【True Wireless Bone Conduction Earphones & More Freedom with Music】Bluetooth 5.4 communication provides dramatically improved communication speed, distance, and stability, even in congested outdoor radio environments. The true wireless type frees you from the hassle of cables, giving you the feeling that music is a part of you! Furthermore, it excels in noise cancellation 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】Supports fast charging, making charging 'safe', 'fast', and easy and convenient. 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 battery life. 【Easy Operation & Memory Titanium Alloy】Made of high-quality memory alloy material, the earphones won't deform even if bent, providing stable use for a long time. The earphones are as light as a feather, weighing only 26g! They are also compatible with the waterproof and dustproof standard [IP55], making them resistant to rain and sweat. You can easily control "music play/pause, skip forward, skip back, volume up, volume down, answer/hang up/end calls" with one hand.