Bone conduction Bluetooth Headphones Design： Bone conduction: in addition to air conduction, bone can also transmit sound. The skull vibrates, sending the sound to the inner ear, which can also be heard. VAORLO new technology bone conduction headphones for All phones/computer / tablet phone / TV, as long as it is with Bluetooth.(IPX8 Waterproof) Play about 6-10 hours. Note: 1. The earphones cannot be soaked in seawater/salt water for a long time. After use, they should be rinsed with fresh water and dried.The charging magnetic part is easy to corrode. 2. If it is not used for a long time, please fully charge it at least once a month. 3. After each exercise, please wipe the water on the surface of the earphones, especially the charging magnetic suction position should be cleaned in time to prevent sweat and salt water from corroding and charging mouth, affecting the product life. 4. The product should be kept away from fire, heat, freezing and chemicals, and violent impact is strictly prohibited disassembly and assembly of extruded products. 5. Please do not use the fast charger to charge the headset!!! 6. Please use a 5V 2A or 5V 1A charging adapter to charge the headset!!! Thanks for your kind understanding!!! Product Features: 【IPX8 Waterproof】 Professional swimming headphones 【2 Modes Enjoy Music】 Bluetooth Mode and MP3 Mode (Earphone Built-in 32G memory); 【Lightweight and portable】 The earphone weighs only 30g; 【Fast charging】 Magnetic charging,Fully charged in just 1 hours; 【More comfortable to wear】 Not easy to fall, let you enjoy music while exercising. 【BONE CONDUCTION AUDIO TRANSMISSION】 Amazingly clear sound in the water without the use of ear buds 【SUPPORTS MP3 AND WMA AUDIO FORMATS: Compatible with iTunes; listen to music, audiobooks, podcasts, and more 【MP3 PLAYER WITH BLUETOOTH BUILT-IN】 The X7 headphones have a built-in MP3 player that fits ALL your music. Connect with MAC and PC with ease and download your music. Now you can simply copy/paste or drag&drop any music from your computer. 8Gb of storage for thousands of songs. Product Specifications: Bluetooth version: 5.3 Color: BlackRed,WhiteOrange Battery: 200mAh Standby time: 300 hours Play music: 10 hours Talk time: 10 hours Charging time: 1-2 hours Memory: 32GB Waterproof: IPX8 Cable Length: 418mm Wireless working range: more than 10 meters Supported protocols: A2DP, AVRCP, HSP, HFP Speaker sensitivity: 100dB at 1KHz/1mW Speaker frequency: 20Hz-20KHz Material: ABS+PC Package List: 1x X7 Bone Conduction Headphone 1x Charging Cable 1x User manual Note: 1. The earphones cannot be soaked in seawater/salt water for a long time. After use, they should be rinsed with fresh water and dried.The charging magnetic part is easy to corrode. 2. If it is not used for a long time, please fully charge it at least once a month. 3. After each exercise, please wipe the water on the surface of the earphones, especially the charging magnetic suction position should be cleaned in time to prevent sweat and salt water from corroding and charging mouth, affecting the product life. 4. The product should be kept away from fire, heat, freezing and chemicals, and violent impact is strictly prohibited disassembly and assembly of extruded products. 5. Please do not use the fast charger to charge the headset!!! 6. Please use a 5V 2A or 5V 1A charging adapter to charge the headset!!!