Wireless fingertip side switcher | Remote control for phone camera and selfie with charging dock | Rechargeable multifunctional remote control rings Easy to use You don't need to swipe the video on Douyin with your finger. With this wireless fingertip side switcher, you can also control playback/pause of videos in short video apps. Suitable for e-book apps With the remote control's side switcher, you can swipe or turn pages without swiping with your finger when reading in e-book apps. It can be used with most e-book apps. Easy operation You can use the wireless selfie button remote control to operate "camera app" to take photos and videos. The effective range is up to 30 feet. Long-term use The phone remote can be used for 14 hours on a single charge and 168 hours from the charging dock. It provides a convenient way to charge without any additional conditions. Broadly applicable The durable remote control side switcher is compatible with IOS and Android smartphones and tablets, making it convenient to use.