The unit milliamp hours indicates how much power a battery can deliver within one hour until it is discharged.
uuniversal Smaterial Bus - USB - designates the most common interface for data transmission via a USB cable or directly, like a data stick. Power can also be transmitted via a USB cable, e.g. B. when charging a mobile phone. When purchasing external hard drives, data sticks or other accessories, care should be taken that both devices support the same USB version, otherwise compatibility problems may arise.
The Bluetooth-Radio technology is a wireless data transmission type that works over a distance of several meters. It is mainly used to connect smartphones, computers, laptops, TVs, etc. to connect to transfer audio, video, or other files. Interface (V5.0)
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