3 Useful Gadgets for Smartphones & Tablets – Science Tutor

3 Useful Gadgets for Smartphones & Tablets – Science Tutor

1. OTG Cable and Adaptor – OTG (On the Go) is a Cable or Adaptor Available for smartphones and connect your USB Flash Drive Directly to Your Smartphone and access all your files and documents for Pen drives to your smartphones. USB OTG introduces the concept of a device performing both master and slave roles – whenever two USB devices are connected and one of them is a USB OTG device, they establish a communication link. The device controlling the link is called the master or host, while the other is called the slave or peripheral.

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2. Mini USB Fan ­– Mini USB Fan is very useful for cooling your smartphones in the summers. USB Fan is a portable USB power mini fan that can be connected to a power bank, laptop, desktop or any other devices with a USB port.

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3. USB Portable LED Light – USB Portable LED Light is Bendable Mini Lamp that is very useful for you. Works great as a backup keyboard back-light, beef up an E-reader's light source, or anytime you need light and have a free USB port or portable USB power banks.

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