The JX-05 Multifunction Remote Control is a smart wireless ring that uses Bluetooth technology to control smartphones remotely. Key uses and features: App Control: Browse and flip through videos in apps like TikTok, and read novels and e-books without touching the screen. Photo Capture: Acts as a remote control button for taking selfies and videos from a distance. Compatibility and Operation: Easily connects with iOS and Android smartphones. Selfie button from Beidou, a multifunctional remote control that is easy to use hands-free with a charging cable for video (Color: Black).