Features: Specially designed for short video content creators, it allows for easier and more comfortable control over video recording. Innovative rolling rings design provides you with flexible operating experience. The fingertip video controller is perfectly compatibility with mainstream short video platforms and supports multiple phone models and systems. Compact and lightweight, easy to carry in a pocket or backpack. Built in high-efficiency battery, supports fast charging, can be used continuously for multiple hours, helping you enjoy creation. Great gift. It is not only practical, but also inspires more people to participate in creation and share their lives and stories! Specifications: Product Name: Fingertip Video Controller Component: ABS size: approx. 20x20x28mm/0.78x0.78x1.10inch Color: white, pink, black Bluetooth-compatible version: 5.1 Effective ranges: 10 meters Charging time: about 1 hour Battery capacity: 25mA Battery life: approximately 10 hours Package Includes: 1 Piece Fingertip Video Controller 1 Piece Instruction note: Please allow 1-2cm errors due to manual measurement. Please allow for slight color differences due to different display resolution.