deskusb fan adjustable flexible usb base led clock show cooling fan for pc notebook time display ing

features: soft blade, safe and durable; flexible metal hose can arbitrary bend. suitable for deskcomputers, notebooks, mobile power supply, power adapter, etc. the fan turns into clock to show time when it rotates. usb power supply, plug and play. with built-in time memory chips, clock has memory function and the time can be set up without driving. specifications: input voltage: dc 5v output voltage: dc 5v input current: 0.5a output power: 2.1w product size: 250 * 93 mm / 9.84 * 3.66inch