1. Arm clip work on Velcro and high elastic strap .

2. Clear coin purse, size L10.5cm*w7cm*T2.5cm

3. Convenient , aesthetic, light on arm.

4. Put important small staffs like coin, credit card, name card, id card , flashing alert in when go out or exercises.

5. Put flashing alert in arm when running, walking, biking, climbing, especially the aged go out and at the night is very convenient

6. Taiwan utility patent no. M603705, Taiwan utility patent M604139。