1. Material: reflective waterproof material

2. Size: Available for mobile phones under 6 inches

3. Net weight: 100 grams

4. Size: 18×9 cm

5. Wrist circumference: 20-24 cm

6. Arm circumference: 20-38 cm

7. Unisex, both wrist and arm can be worn

8. Applicable venues: running, cycling, climbing, fitness, yoga, sports, etc.