Evofit Ring, which measures exercise in real-time and supports health management. - Model Name: Evofit Ring - Functions: Real-time exercise measurement, sleep tracking, health management - Color: Silver - Compatibility: Compatible with Android/iPhone - Features: 8 exercise modes, calorie consumption measurement Camera Control Function & Compatible with All Models Equipped with a camera control function, you can remotely operate the shutter by lightly shaking the finger wearing the ring in the "Camera" section of the app, which is convenient. Thank you for viewing. Although it is new, there may be some box damage due to shipping. How about it for those who plan to use it themselves?