【Hearing Protection Technology & Ultra-Lightweight Design】 Open-ear design that doesn't block the ears, reducing the unique vibration and pressure of traditional bone conduction headphones. Comfortable to wear for long periods with less pain. You can enjoy music while taking in external sounds like traffic and ambient noise, making it safe and ideal for running, commuting, and walking. Recommended for those who dislike in-ear headphones. 【True Wireless & Bluetooth 5.4 Compatible】 The latest Bluetooth 5.4 significantly improves communication speed and stability. Less likely to cut out even in crowded environments, freeing you from the hassle of cables. Comfortable calls with high-performance noise cancellation technology, making it versatile for business use and sports. 【Type-C Fast Charging & Long Playback】 Supports fast charging, allowing for up to 8 hours of continuous use. Enjoy music, calls, audiobooks, and more without worrying about battery life, even when you're out and about or working for long hours. 【Lightweight Design & High-Durability Titanium Alloy Frame】 Ultra-lightweight body of 26g and a flexible memory alloy provide a comfortable fit. IP55 waterproof and dustproof rating, so you can use it with confidence in rain or sweat. Easy one-handed operation for play/pause, track forward/back, volume adjustment, and call answering. Bone Conduction Headphones Bluetooth 5.4 Comfortable Open-Ear Type-C Charging 817