[Long-lasting Working Time] Experience all-day comfort with our rechargeable fan's intelligent AI -saving chip and large-capacity lithium battery. It can be used continuously for up to 4.5-25 hours on a single charge (depending on the wind speed), keeping you cool from dawn to dusk. Equipped with a convenient Type-C charging port, you can charge it with a wall adapter, power bank, computer, or any other device with a USB port [Waist Fan and Necklace Fan 2 in 1]It's a portable USB waist fan with a multifunction - waist clip on fan, necklace fan, and power bank. When you work outside or for outdoor activities, take this portable fan and you'll get all the necessities! [Flexible Charging & ]This belt fan supports fast charging, and the body fan can be fully in about 3-4 hours via a wall charger, power bank, or USB-enabled device such as a laptop. [Super Useful] More than just a portable waist fan. This waist clip fan features a double clip design and bottom air intake. Simply clip the large clip to your belt, the small clip to your outer garment, turn on the fan, and watch the miracle happen - you'll feel instantly cool. [3-Speed ​​Powerful Airflow] The shirt fan has a newly updated motor with a maximum air blowing volume of 11m/s. Super strong wind takes away your body temperature in seconds. The maximum wind force is very strong. Long blowing distance. No more struggling when working or traveling in the sun.