Feature: 1. BONE CONDUCTION: Bone conduction headphones convert sound into mechanical vibrations at different frequencies and deliver quality sound through your cheekbones, ensuring that your ears remain completely open to ambient sound for a truly painless and protected hearing, cleanliness and hygiene. 2. OPEN EAR: Bone conduction headphones have an open ergonomic design for comfort and pressure free. You don't have to worry about burning your ears with prolonged pressure. 3. IP56 WATERPROOF: Bone conduction headset is equipped with IP56 rated waterproof and dustproof, which protects the bluetooth headset from sweat, splashes and raindrops. The headset is not suitable for swimming, please do not drop it directly into water. 4. BLUETOOTH 5.3: Excellent performance, the headset is equipped with Bluetooth 5.3 version, the Bluetooth connection is more stable and fast, you can connect to cell phones, laptops, computers, tablets. 5. LONG LIFE: Wireless bluetooth bone conduction headphones can support at least 7 hours of continuous music, calls and playback, the charging time is about 2 hours. Adopt dual sound technology to bring shocking bass, release both ears and enjoy balanced HIFI sound quality. Specification: Item Type: Bone Conduction Headset Material: ABS Color: Black and Red Battery Type: Built in 135mAh Lithium Ion Battery (included) Bluetooth Version: V5.3 Connection Distance: ≥10 Meters/10.9yd Playback Time: About 7 Hours Charging Time: About 2 Hours. Package List: 1 x Headset1 x Charging Cable1 x Instruction Manual