Description: [True five-core cooling system] True five-core, only called cool over air conditioning [Large air volume] Super cool, blowing the whole body 28 air ducts [10000 mA] Industry top cold wind blowing a whole week! A week out of the house without power Why do you need to charge again and again 10000mAh for a week [Double noise reduction!] Only called really quiet, active noise reduction chip + muffler wind wheel a little noise, the top of the noise reduction chip, with the third generation of cutting-edge RT chip active internal real-time noise reduction soft wind [summer should blow cold wind] A second straight down 35 C real five-core cooling system, imitating the principle of air conditioning refrigeration than the old dual-core cooler 30 times! Cold wind blowing the whole body a second straight down 35 C True five-core cooling + up and down dual drive 28 air ducts real whole body cool Specifications: Charging Method:USB Style:Neck Fan Usage Scenarios:Summer Outdoor Sports Battery capacity:10000mAh/8000mAh Power: 5w Voltage: 5V Charging time:2-4 hours Weight:400g Product size:17.6*52*21cm Occasion:Home, Outdoor Camping, Summer Beach Traveling Outdoor Sports Cooling effect:Semiconductor cooling Fan Number of blades:Bladeless Neck Fan Number of cores:5 Rechargeable batteries:YES Silent fans:YES Wind speed: 5 Gear 1x USB Cable Safely packed in a retail box. Notes: Please allow slight dimension difference due to different manual measurement. Due to different display and different light, the picture may not reflect the actual color of the item. Thank you for your understanding