JINGKE Semiconductor cooling neck fan 4000mAh USB rechargeable fan portable leafless neck hanging fan suitable for camping sports and family work

Neck hanging fan: The unique neck strap design can be hung on the neck, freeing hands and making work more convenient. No blade: No blade design can protect your long hair. Semiconductor cooling technology, quiet around the air outlet, cool in summer. Adjustable speed: refrigeration and wind speed adjustment to meet different needs, one-button operation. Durable battery: built-in 4000mAh large battery, rechargeable, emitting cold air. Portable: easy to carry and store, suitable for outdoor activities, tourism, office, tourism, sports, parties, etc. Maximum power: 9w. Charging time: about 3.5 hours. Charging indicator: white charging lamp flashes, All white light always turns on the fan white light and cooling blue light. Charging interface: Type-C. Battery: 4000mAh polymer battery. Duration: about 1.5-10 hours. First gear: cold compress. Third gear: fan. Control mode: key. Product color: sapphire blue white light green