Designed for the visually impaired, the blind insole makes walking easier. This insole uses advanced vibration technology to provide you with accurate navigation guidance through connection to your smartphone. The vibration mode allows you to clearly perceive the direction of travel, alerting you to obstacles around you. Make the Blind Insole your go-to aid in exploring the world and enjoying , independent walking experience. Features -Color:Black -Material:Plastic -Size:17.00X1.50X0.50cm/6.68X0.59X0.20in - Intimate design: Designed for visually impaired people to make walking easier and more comfortable. - Accurate navigation: With advanced vibration technology, accurate navigation guidance is provided, so that you will no longer be lost. - Real-time reminder: When encountering obstacles or special situations, the insole will issue a specific vibration mode to remind you to respond in time. - Easy to operate: easy to understand the operation interface, so that you can easily grasp the functions. - : The use of high-performance batteries to ensure a long time of use, so that you worry about travel. Package list: 2 x the blind vibration insole