Mobile Device Accessories – CompTIA A+ 220-1101 – 1.3

Headsets

-Hands-free audio: earphones and microphone -Wired: USB connections are common, connects to 3.5 mm TRRS (tip-ring-ring-sleeve) connector -Analog audio jack -iPhone can use Lightning port -Wireless: bluetooth

Trackpad (Touchpad)

-Replace the mouse -useful in tight working areas -common on laptops -external options: battery powered, bluetooth connected -drag and tap: or use multiple finger input for right-clicking, zooming, and window control

Active Stylus

• Digital stylus - A more advanced writing tool • The stylus communicates directly to the device - Pressure sensitivity, programmable buttons, etc. • Must be compatible with the tablet - e.g., Apple iPad uses an Apple Pencil

Docking station

• Docking station • Use external keyboard and mouse • Extend existing laptop interfaces • Add additional functionality • Desktop adapter cards • Avoid cable issues

Camera/webcam

• Internal or external - Commonly external on desktops, internal on laptops/tablets/phones • Accessible from multimedia applications, photo utilities,and video conferencing - Real-time video communication

Speakers

• Mobile audio - Battery powered • Wireless connection - Bluetooth link • Stereo sound - Small package

Port replicator

• Port replicator - Similar to a docking station - Does not commonly have an expansion card option - Usually connects using USB

Touch pens

• Touchscreen pen / touch screen stylus / capacitive stylus - Activate the interface without actually touching it • Handwriting - Note taking, signatures • Precise selection - Easier to see the screen

Drawing pad

• Use an active stylus with an external digitizer - Very precise input