1. Silicone material, soft and skin-friendly
2. Semiconductor refrigeration, multi-angle rotation
3. Comfortable curved design, comfortable to wear
4. Cold aluminum absorbs heat and aluminum block dissipates heat
5. Charging time: 1.8 hours
6. Battery life: 4-10 hours
7. Working current: 1A
8. Rated power: 5W
9. Input voltage: 5V
10. Power mode: USB
11. Battery capacity: 1800mah x 2
12. Material: ABS+PP+silicone+electronic components
13. Noise: below 36dB
14. Size: 21.8x16x6cm
15. Weight: 340g
