IPX8 Waterproof Built-in 32G Memory Bluetooth 5.4 Wireless Bone Conduction Headset Bone conduction earphones transmit the sound directly to the auditory nerve through the vibration of the bones without blocking the ear, so it can reduce the fatigue of the ear and better protect the ear.Since bone conduction earphones do not block your ears, you can hear your surroundings while listening to your own voice, allowing you to enjoy music outdoors more safely.The open design does not block the ear canal, which can better keep the ears and earphones clean, thus protecting the health of your ears.These bone conduction earphones are deeply waterproof and not easily damaged even when used in sweat or rain. The earphones can be used while swimming. Although it is waterproof, direct immersion in water is not recommended.Package Contents: Headphone x 1, Magnetic charging cable x 1, Headphone strap x 1 (used when swimming to prevent the headphones from falling off), Instruction manual x 1. Magnetic Charging The earphone body has 4 magnetic suction contact points, and adopts a deep gold-plated process, which is sweat-proof and corrosion-resistant. The charging cable has the functions of charging and data transmission at the same time. Intelligent Noise Reduction Reverse noise elimination is performed based on the background noise of the sound source to solve the problem of background noise in headphones, making the sound clearer when using headphones for calls. Easy to Use All buttons are concentrated on the same side, and related operations can be performed from the power and volume buttons. Play/pause, volume adjustment, previous/next song, answering/hanging up calls, activating Siri calls, etc. can all be easily operated with one hand，allowing you to enjoy wonderful music easily.