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
