1. Material: ABS+TPE
2. Power source: USB charging
3. Input voltage/current: DC 5V 500mA
4. Built-in battery: 500 mAh lithium battery
5. Dimensions: 3 x 10 x 4.3 cm
6. Weight: 75g/piece
7. Two colors can be selected
8. Environmentally friendly silicone material, healthy and safe
9. Folding design, easy to carry
10. Small size, light weight and convenient travel
