USB Gadgets - the 5 best tools

In this practical tip, we present five USB gadgets that should not be missing on any desk or in a jacket pocket as a "must have".

The USB cup warmer makes your hot drink steam under the cup

Especially in the cold season you don't want to miss a nice hot coffee or tea at work. The USB cup warmer ensures that your hot drink in the cup does not cool down as quickly and thus loses its taste. On Amazon, the USB cup warmer costs around 20 euros. However, a cup is usually not included.

• Simple stainless steel cups are best for the USB cup warmer, since they can be heated up faster than thicker porcelain cups.
• Conveniently, it has a display that shows you the temperature of the heating plate.
• To operate, simply plug the cup warmer's USB plug into your USB port on the PC. An additional battery is not required.

The USB rocket launcher turns your office into a guerrilla campground

If you really want to annoy your desk neighbors, you should try a foam rocket attack on them. The USB rocket launcher is equipped with four foam rockets and can be conveniently controlled remotely using a PC. However, the Amazon price is quite high at around 35 euros.

• You have to download the appropriate software free of charge from the manufacturer's website. With this software, you can remotely control the USB rocket launcher using either a mouse or keyboard.
• The foam rockets fly a total of almost seven meters.

The USB fan ensures a fresh breeze

If the heating in your office is running continuously and cannot be switched off, you can always keep a cool head thanks to the USB fan. But even in summer with scorching heat, it always ensures a fresh breeze. The Amazon price of the USB fan is approx. 10 EUR

• You set the speed using a controller. You can also switch the fan on and off at this controller.
• In addition, the USB fan has four separate USB ports to which you can connect other USB gadgets.

The Easy-Acc-Powerbank gives you extra juice

If the battery of your smartphone gives up too quickly, you should use the "Easy-Acc". This portable USB charger is particularly suitable for charging your smartphone when you are on the go. With 5600mAh, the capacity is sufficient to fully charge a modern smartphone twice. At just under 20 euros, the additional mobile battery is also quite affordable.

• You can charge the power bank itself on your PC by plugging the supplied cable into the USB port of your PC.
• In addition, the power bank has a bright LED lamp.
• With the "Easy-Acc" you can charge any mobile device that has a USB input.
• However, if you want to charge your tablet with it, you will find useful power banks in this practical tip.
• The power bank is hardly bigger than a smartphone and fits in every jacket pocket.

The USB pocket warmer ensures warm hands

If you keep your hands cold in winter, you should buy a pocket warmer that you can easily charge via USB connection. The heat-giving battery has a capacity of 1000mAh and delivers a heating output of almost 40 ° C. The USB pocket warmer currently costs around 18 euros on Amazon.

• You can turn the pocket warmer on and off at the push of a button.
• The USB pocket warmer donates a total of around one to two hours of warm hands before it runs out of juice.
• In addition, the pocket warmer has a USB port where you can charge your smartphone with the appropriate cable (similar to the "Easy-Acc").
• The knitted cover supplied also ensures that you do not burn your hands.