Features: Remote Control: Connect via Bluetooth to scroll through phone apps, control video playback (page up/down, volume, play/pause), and send likes, all hands-free. Mobile Phone Camera Shutter Control: Stable Bluetooth chip ensures reliable signal transmission within 10 meters. Capture creative photos/videos to record your best moments. Rechargeable: Conveniently charge with a single charging cable. The controller works continuously for hours, eliminating the need for extra batteries. Easy to Carry and Use: The compact size (37.3 x 18 x 32.9 mm) fits easily in your pocket for portability. Widely Used: The ring-shaped design with a matte finish is comfortable and stylish. Enjoy watching videos/e-books/news, or take selfies without removing your gloves in cold weather. Specification: Material: ABS Color: Black, Pink, White Size: 37.3 x 18 x 32.9 mm Battery Capacity: 50mAh Bluetooth Version: V5.3 Bluetooth Chip Usage Time: Continuous use approx. 48h Input Power: DC5V Support APP: Support for Mainstream APP Weight: 6g Package Includes: 1 x Bluetooth Remote Control Video Page Turner