Quick meaning
Small earphones that connect to your phone via Bluetooth with no cable required.
Think of it like this
Like miniature speakers that sit in your ears without any wires to tangle.
Where you may see this
You may hear this when buying a device, asking for repairs, or checking phone and computer settings.
Why it matters
Understanding the hardware term helps you choose the right device and explain problems more clearly when asking for help.
Say it simply
Wireless Earbuds means: Small earphones that connect to your phone via Bluetooth with no cable required.