Bluetooth 5.0 Stable Connection: Turn on Bluetooth, connect to use, easy to match, stable operation, supports a variety of popular short video apps, beauty cameras, and new apps. Easy Page Turning: Supports up and down page turning for books, remote control with one button for comfortable reading, no more constantly swiping the screen up and down with your finger. Charging On-the-Go: Comes with a mini charging case that offers powerful battery life. A 1.5-hour charge can support charging the remote control ring 5 times. Convenient to Use: Featuring an ergonomic design, the plastic material is round and flat, with polished edges that won't hurt your hands, suitable for fingers of various widths. Long-Distance Connection: Small ring design allows for full-body shots, family photos, selfies, or videos from anywhere. The charging port faces outward, and the indicator light is on the right.