Ergonomic Design : The ring's design conforms to your finger's ergonomics for a comfortable and secure fit. Wide Compatibility : Works seamlessly with IOS, Android, and Harmony OS, offering broad device support. Stable Connection : Features a stable 4-4835GHz frequency range for uninterrupted performance. Hands-free Operation : Perfect for hands-free scrolling through TikTok, flipping pages, and controlling your camera. 3 Buttons Control : Simplifies app control with intuitive button placement. Dive into hands-free entertainment with our Bluetooth remote control scrolling ring. Its ergonomic design and stable connection make it an indispensable companion for your digital adventures, ensuring compatibility across popular operating systems. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.