1. Entity button, swipe to check in, the task progress is clear at a glance
2. The rear small hole can be hung, hung or placed, and can be punched anytime, anywhere
3. Three-layer detachable structure, easy to replace the plan
4. Size: 20 x 12cm
5. Thickness: 0.6cm
6. Weight: 93g
7. Card size: 17 x 6.8 cm
