COMLIFE Portable Neck Fan, 2600mAh Battery Operated Ultra Quiet Hands Free USB Fan with Strong Wind, 360° Adjustable High Flexibility Wearable Personal Fan for Home Office Outdoor Travel (Black)

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• Question : How quiet are the fans?
  Answer : The fans are very quiet. Indoor usage is barely audible on the first 3 settings, and the higher settings have a dull buzz. When worn outdoors, the fan is hardly noticeable at any speed.
• Question : How long does the battery last on its highest speed?
  Answer : The battery can last up to 2 hours on the highest speed. Actual duration may vary, but it can still perform well after 2 hours of continuous usage.
• Question : What is the diameter of each fan and how many blades?
  Answer : Each fan has 4 blades. The size is listed as 247*306*30.5mm, and the fans are approximately 2 1/2 inches in diameter.
• Question : Can you turn off the power indicator light while using the fan to conserve power?
  Answer : No, it is not possible to turn off the power indicator light. However, the power bars [1-4] do not consume significant additional energy. You can conserve energy by adjusting the fan to lower intensity levels (3, 4, or 5), which can help extend the battery life. Charging the battery via USB takes about 75 minutes from 3 bars back to 4 bars.
• Question : Does this fan stay put when you adjust it around your neck?
  Answer : The fan generally stays comfortably around the neck, but it may slide slightly due to movements. For less physical activity like sitting at a desk, the fan should stay in place all day.
• Question : Are these blade type neck fans better than bladeless neck fans?
  Answer : Preference may vary, but the blade type is generally preferred. The blade type fan is flexible and versatile, suitable for use on the side table, nightstand, or desk. It produces more air, operates quietly on lower speeds, and is preferred by many users.
• Question : Has anyone had issues with it heating up too much on the neck?
  Answer : The fan may get slightly warm on higher settings, but it does not reach a temperature that can cause burning or discomfort.
• Question : Can I use this with intense exercise, like beat saber on VR?
  Answer : It is not advisable to use the fan for intense exercise. However, if strapped to the chest to keep it steady, it might be possible. Exercise caution and test it for stability and comfort.
• Question : Does it light up?
  Answer : No, the fan does not light up. However, it has a long battery life, lasting over 8 hours even in sunlight.
• Question : Can I use an external battery pack and charge while using to increase operation time?
  Answer : While it might be possible to use an external battery pack to increase operation time on the lowest setting, it is not recommended. Charging the fan while running it on the highest setting for long periods may cause the battery to become warm.