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Specifies how the keyboard is connected to the computer. Either by a cable or wirelessly (USB dongle, or Bluetooth).

Interface refers to the method or manner in which devices, such as PC mice and keyboards, communicate and connect to a computer or other device. They can be physical (USB, PS/2) or wireless (Bluetooth, RF). The choice depends on the user's needs, the availability of ports and the type of device. Modern devices often use USB or Bluetooth, while older models may use PS/2. Wireless interfaces offer flexibility but may require batteries or charging.

Specifies the field of use of the keyboard. Normal office keyboard, for example, offers a classic key layout, while the game models are equipped with a backlit, color-coded keys or have a modern...

Means the presence of symbols of a specific language on the keys. Keyboard with Czech localization will include buttons with specific Czech letters.

Specifies hardware design of  the keys. Manufacturers use either standard keyboard, low-profile, chiclet or with rubber keys. 

Color finish of the keyboard. Most common is the black color.

Specifies physical dimensions of the keyboard, in milimetres.

Specifies physical dimensions of the keyboard, in milimetres.

This topic is about mouse compatibility with different operating systems, hardware and software. It is important that users check compatibility before purchasing, as some mice may require specific drivers or may not be fully functional with certain systems.

Identifies field of usage of the mouse. Gaming mice are characterized by precise ergonomics, programmable buttons, adjustable weight using a weight or perhaps unusual lighting effects. Large selection...

Level of sensitivity of the sensor. The higher value, the more precise control. 

According to technology or sensor type, mice are divided into optical  (using red LED), laser (high precision) or BlueTrack (using blue LED).

Mouse response time refers to the time that elapses between the physical movement or click of the mouse and the response on the screen. For gamers and professionals working in graphics, it can be crucial to have a mouse with a fast response time to maximize accuracy and response time.

Number of hardware buttons on the body of the mouse.

Color of the mouse. Available are black, white or other stylish colors.

Clearly defines the headphone design. Earbuds and canalbuds are suitable for sport or travel, while full-size headphones are suitable for comfortable home listening or as a PC accessory. 

The design of the headphones is a fundamental aspect that affects the way the headphones reproduce sound, as well as how the headphones sit on or around the ears. The main types of headphone designs include closed, open and semi-closed. Closed headphones provide sound isolation and are ideal for listening in noisy environments. Open-back headphones, on the other hand, allow air to pass through the headphone drivers, resulting in a more natural sound. Semi-closed headphones are a compromise between the two types, offering balanced sound and a medium level of isolation.

3.5mm jack connector (in case of PC headphones, a pair of 3.5mm jack connectors or USB connector) is definitely the most widespread connector type. Wireless headsets, using Bluetooth or radio channels...

Shorter cables are ideal for portable earphones as they are harder to tangle. Headphones for home use (eg. TV headphones), on the other hand, can provide more comfort with longer cables.

There are single-side and double-side headphone cables – single-side headphones have the advantage of a single cable connected to a headset, effectively preventing the wire from getting...