Features 1.[Bone Conduction] The headphone is designed to convert sound into mechanical vibrations of different frequencies and deliver premium sound through the cheekbones. Ensuring that your ears remain completely open to ambient sound. 2.[IP56 Waterproof] Bone conduction headset is equipped with IP56 waterproof and dustproof, will not be affected by sweat, splash and rain drops. However, it is not suitable for swimming, please do not drop it directly into water. 3.[Safe And Comfortable] Bone conduction headphone is ergonomically designed to be truly painless and guard your hearing, lightweight and comfortable without pressure. Releases both ears, clean and hygienic. 4.[Compatible Devices] Open ear headset is equipped with Bluetooth version 5.0 for a more stable and fast connection, which can be connected to cell phones, laptops, computers, etc. Provides a connection range of more than 10m. 5.[Long Battery Life And HiFi Sound] Wireless open ear headphone supports at least 7 hours of continuous music, calls, charging time is about 2 hours. Dual sound technology brings shocking bass and balanced HiFi sound quality. specificationItem Type: Bone Conduction Headphone Material: ABS Color: Black Battery Type: Built in 150mAh Li Ion Battery (Included) BT Version: V5.0 Connection Distance: 10m / 32.8ft Playback Time: About 7 Hours Charging Time: About 2 Hours PackageList1 xBoneConductionHeadphone 1 x Charging Cable 1 x InstructionManual