About this item:used like new,real pictures,only what is in the pictures you will receiveI dont know if they have been used, but I am selling them as if they are used Amazon RRP 89.99£what is in pictures you will get?Bone Conduction Headphones?Open Ear design keeps you aware of your surroundings and keeps you safe and comfortable in outdoor training. Bone conduction technology uses vibrations to transmit sound directly to the inner ear through the cheekbones for a premium audio experience?Ultralight & Comfortable?Bone conduction bluetooth headphones are ergonomically designed that fit snugly behind your ears, Ideal for long-term wear avoid ear swelling, that wont slip during long runs workouts or swimming. Made of ultra-light titanium for comfort and the best sports experience?IP68 Waterproof Rating?IP68 rated headphones are fully waterproof, dust-proof, moisture-resistant, making them the perfect workout companion for any sports, fitness, or running enthusiast. Designed to withstand rain and swimming, you can swim, snorkel, fish and boat without taking off the headphones, enjoy the fun of sports?Bluetooth/MP3 Dual Mode?Built-in 16 GB mass storage card can be used as an MP3 player, allowing you to enjoy your favorite music directly from the headphones without additional equipment. The latest Bluetooth 5.1 chip brings stronger,faster,more stable connections on the mobile side. Tips: underwater will affect the transmission of Bluetooth signals; please do not use Bluetooth mode when swimming; ?Versatile Headphones?Powerful Bluetooth 5.1 chip provides a convenient and stable connection. You can use it on both iOS and Android Bluetooth devices. It pairs easily with smartphones, tablets, Mac and PC, and laptops. Quickly double-tap the multi-function key to switch between Bluetooth and MP3 modes,triple-tap to call a voice assistant (such as Siri).Product DescriptionNew Audiovisual Experience ! Born for Sports !Bone conduction headphones an open-back wireless sports earphone that doesnt block your ears, allowing you to stay alert and aware of your surroundings while enjoying your music. This unique experience makes them the sports earphones of choice as they will enable you to fuel your workouts with music without losing awareness of your surroundings. Thats why runners, surfers, mountain bikers, climbers, and many other outdoor enthusiasts love bone conduction sports headphones so much.IP68 Professional Waterproof, Creating Industry Benchmark Swimming HeadphonesWaterproof swimming bone conduction headphones in MP3 mode (local player)Our swimming headphones with built-in 16GB memory, with two modes: Bluetooth mode and MP3 mode (local player)When swimming with these waterproof bone conduction headphones:Charging - Charge your waterproof earphones with the included magnetic fast chargerUpload music - Double click to switch to MP3 mode, Please use the provided charging cable port to connect to the computer and the other end to the headphone,and drag and drop the songs downloaded directly to the earphone memory.. Note: Only supported media formats are MP3 and WAV; please convert other incompatible formats before downloadingMode switching - Quick double-click switching between Bluetooth mode and MP3 mode (local player)Swimming underwater - Switch to local player (MP3 mode) for a better music experience (water is known to interfere with connections Bluetooth wont work underwater)Bone Conduction TechnologyBone conduction is the transmission of sound vibrations to the inner ear (cochlea) bones of the skull, allowing you to perceive sound without blocking the ear canal. To put it more simply: it transmits sound directly to the inner ear, not through the eardrum. It protects your ears well from swelling and also helps people with weak hearing to improve their music1. Audio enters the transducer2. Convert sound waves into vibrations3. Deliver sound straight to your inner ear via vibrations in the bones in your head.SafetySports Bluetooth earphones keep your ears open and bare, keeping you aware of your surroundings and possible hazards such as vehicles, wildlife and pedestrians for a safer listening experience. Its safe to enjoy music while adding music to the world with an inspiring sensory experience.Comfortable & LightweightPremium titanium material and lightweight design provide a very comfortable fit.Only 29 g: Lightweight and suitable for all-day wear.Wraparound Titanium Design: Ensures a comfortable fit and wont slip even during strenuous exercise, running, swimming, rough-riding and all the other sports you love!Ear Canal Remains DryThere are no ear cups or earplugs in the ear canal so that you wont experience ear soreness, discomfort, or sweating. This is a boon for someone who loves music.Upload music: Please use the provided charging cable port to connect to the computer and the other end to the mobile phone,and drag and drop the songs downloaded directly to the earphone memory.This bone conduction earphone bluetooth has stereo, long standby and working time, light weight, waterproof, comfortable to wear, does not fall off, good sound quality, you will enjoy exercise and sports more, it will be your favorite running earphone or cycling earphone .