Feature: 1. No need for charging compartment: Small body, large capacity, low power consumption and long life. Charge for two hours and keep working for about 72 hours. 2. Click like/lock the screen every other time: Like short videos, browse short videos, double-click remotely, click like at will, and lock the screen at any time with one key! Support switching songs and videos, and support fast forward and fast backward of various video APPs. For novels/comics, you can easily turn pages by remote control, and turn pages from top to bottom, left to right, without lifting your arms, making reading more comfortable. It is applicable to most mainstream reading/comic apps. 3. Release your hands. Remote control, multi occasion use: Remote viewing of video/TV dramas, self taking/video recording without trouble. The ring control artifact, saying goodbye to the pain of the arm. It is suitable for full body photography/multi person shooting. It is controlled by one button remotely for 10m. 4. Intelligent wearable design: Ergonomic ring design, which makes you comfortable to wear, is the perfect gift for her or his birthday, Valentine's Day, etc. 5. Support mainstream apps: Compatible with mainstream apps (short videos, cameras, novels, etc.) on the market, portable and lightweight, it is the best partner for lazy people. Specification: Certification: CE Origin: Mainland China Use: Camera / Video Camera Model Number: Ring Remote Controller Package: Yes Support APP: Yes Product color: Black/blue/white (optional) Product model: S18 Bluetooth-compatible version: V5.3 Bluetooth-compatible transmission distance: 10m/32.8ft Charging interface: Type-C Input current: DC 5V Battery: 1 X 50mAh Endurance: 72 hours Charging time: 30 minutes Product functions: Short video page turning up and down, double click like, take photos, take videos, increase or decrease the volume, Type-C charging Compatibility: For iOS/Android. If you want to use it on for iOS devices, such as for iPhone and for iPad, please turn on "Settings" - "Accessibility" - "Touch" and turn on the auxiliary touch function to use Product size: 32.5x30x20.5mm/1.28x1.18x0.81in Product weight: 35g