Feature: 1. Smart Control: The scrolling ring allows remote control of many apps. Scroll up or down, swipe left or right, like, play or pause, adjust volume, lock screen, remote photo taking, video recording, and more. Free your hands. 2. Easy To Use: Trigger image or video recording within 10m range. Take family photos, selfies, and videos with ease. Say goodbye to awkward selfie poses and phone drops. 3. Wide Compatibility: Works with for IOS 15, for Android 8.0+ devices. Advanced Bluetooth 5.3 chip provides fast, stable connection for remote control up to 10m away. Compatible with for Kindle APP, for Spotify, and more. 4. Multifunctional Design: Finger ring design for easy wear. Built in 50mAh lithium battery offers 72 hours of usage on a single charge. No frequent recharging needed. 5. Versatile Usage: Left, right, up, and down buttons correspond to different actions on your phone screen. Explore endless possibilities for taking photos, recording videos, watching videos, reading novels, and more. Specification: Item Type: Rolling Ring Material: ABS Bluetooth: 5.3 Communicating Distance: Approx. 10m / 32.81ft Battery Capacity: 50mAh Lithium ion Battery (included) Working Time: Approx. 72 hours System Compatibility: Supports for IOS 15, for Android 8.0 and above, for Harmony OS. Package List: 1 x Rolling Ring 1 x Charging Cable