1. USB power charge: 5V 1A
2. Li battery: 4000mAh
3. handfree and portable,take in everywhere
4. Three wind gears to adjustless
5. Will not let your hair stuck into
6. neck fan with night light
7. The fan has good toughness and can be stretched at will
8. Package size：202*118*69mm
9. QTY：40PCS/carton
