Multifunctional smart phone Bluetooth remote control Remote control for selfie, video page turning, video likes, novel and comic page turning Bluetooth connection, one-key return, dual-mode operation, remote lock screen, remote control, remote selfie 10-meter remote control range, swipe freely, hands-free operation Ergonomic ring design, comfortable to wear, reduces fatigue, enables easy video swiping and reading Dual-mode operation: short video mode and cursor mode One-key return function for quick access One-key remote lock screen control Convenient hands-free operation without touching the phone Remote photo capture from up to 10 meters away, ideal for selfies without assistance Remote page turning for faster reading experience Compatible with most e-book apps and web pages that support left and right page navigation Up to 72 hours of continuous use with intelligent power management chip, low power consumption Bluetooth version: V5.3 Input power: DC-5V Battery capacity: 50mAh Usage time: approximately 72 hours of continuous use Supported apps: compatible with mainstream applications Color: Black Material: Plastic Package Contents: 1 x Bluetooth wireless remote control Note: Light reflection and different displays may cause slight color variations between the image and the actual item. Measurement error allowed within +/- 1-3cm.