Wireless Headphones Handfree Bone Conduction Headphones Lightweight Bluetooth-Compatible Comfortable To Wear Outdoor Sports Earphones. Feature: 1. Comfortable Wear: Unlike traditional wireless earphones, bone conduction earphones are placed in front of your ears, offering a free and comfortable experience. 2. Open-Ear Safety: Whether you're jogging, cycling, sprinting, or hiking, these wireless headphones provide the safest way to listen to music or podcasts. 3. 180mAh Battery and Bluetooth-Compatible: With just one hour of charging, you can enjoy up to 13 hours of continuous music playback. 4. High-Quality Sound: Equipped with excellent sound quality, bone conduction earphones offer balanced recording and a perfect audio experience when working out. 5. Flexible: The memory titanium alloy skeleton is designed to fit different head sizes and shapes, and is flexible enough to bend and twist without deformation.