Features: Charge Anywhere, Anytime: Enjoy up to 48 hours of continuous use. Provides convenient charging without any extra requirements. Compatible with popular apps, portable and lightweight, the perfect photography companion. Smart Portable Design: The ergonomic ring design ensures comfortable wear, making it a perfect gift for birthdays, Valentine's Day, and more. Practical Design: No need to swipe while watching videos! Control your phone's camera to take photos and videos with ease. Multiple Functions: Effortlessly browse videos, adjust volume, play/pause, and send likes without using your hands. (Does not control music playback apps). Bluetooth-Compatible Remote: In phone photo or video mode, press and hold the up or down button on the finger ring within a 10-meter range. Specifications: Bluetooth-compatible version: V5.3 Bluetooth-compatible chip Input Power: DC-5V Product Colors: Black / White / Pink Battery Capacity: 50mAh Usage Time: Approximately 48 hours of continuous use Supported Applications: Consumer app support Includes: 1 * Bluetooth-compatible Remote 1 * USB Data Cable