This Cooling Fan with 2,000 mAh Power Bank is a dual-function device that features a built-in rechargeable fan with three speed settings to keep you cool on the go, while the integrated 2,000 mAh power bank provides convenient backup power for your smartphone or other small devices. The fan runs for up to 10 hours on low speed and nearly 4 hours on high, making it perfect for travel, commutes, or outdoor events. A Type-C charging cable is included for quick recharging. Fully recharges in approximately 2.5 hours. Please note that power banks are allowed in carry-on luggage only, subject to the discretion of TSA agents. A Type-C to Type-C charging cable is included with the device.