Headphone low noise bladeless design, it is truly a fan that integrates fashion and practicality, Best friend for outdoor, indoor, home, work, office, Hot Flashes, sports, travel, hiking, cycling, camping, etc.
Feature:
1. Semiconductor refrigeration technology, using the second law of thermodynamics, through the current generated by the semiconductor refrigeration chip, to form a temperature difference, exchange heat energy, and transfer the cooling sensation to the skin to achieve cooling
2. Long-lasting battery life, built-in two 1800mAh lithium polymer batteries, charging battery can last 4-8 hours, no matter on the road to get off work or sports shopping, it is enough to let you lead the way
3. Adjustable design, side can turn 45°
Product name: hanging neck fan
Battery capacity: Lithium polymer battery 1800mAH *2
Voltage: 5V
Cooling wafer temperature reduction range: 6-9 degrees
Product size: 18.2x20x6cm
Product weight: 310g
Plug: USB plug
Charging time: 3 hours
Endurance:
Small air volume 18 hours/Stroke volume 12 hours/High air volume 8 hours
(Additional cooling chip time is 3 hours (small air volume)/2 hours 35 minutes stroke volume)/2 hours 10 minutes (high air volume)
Power display: blue light (100-70%)/blue-red flashing (70-20%)/red light (below 20%, please charge)