1. Low power: Energy-efficient with long battery life. Charges in 2 hours, lasts up to 48 hours. 2. Air control: Scroll short videos, lock screen remotely, or switch songs/videos with double-click. Supports fast-forward/rewind in video apps. 3. Remote page turn: Easily flip pages for novels, comics, or e-books without lifting arms. Works with most reading apps. 4. Hands-free use: Remote control for videos, selfies, or group photos. One-button operation with 10m range. 5. Smart wearable: Ergonomic ring design, ideal for gifting. Compatible with popular apps (videos, cameras, books). Portable and convenient. Specs: - App support: Yes - Color: Black - Bluetooth: V5.3 (BLE), 15m range - Charging: Type-C (5V), 50mAh battery (48h life, 30min charge) - Material: Plastic Includes: 1x fingertip remote control Note: Slight color variations may occur due to lighting/screen differences. Size tolerance: 1-3cm. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Sold by-Dadangjia