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How to choose headphones: what actually matters

Headphone spec sheets are long and mostly noise. Five things decide whether you'll be happy with a pair: how you'll use them, the shape, noise cancelling, the connection, and comfort. Get those right and almost any well-known brand will do the rest.

1. Start with where you'll wear them

Commuting and flights: over-ear headphones with active noise cancelling (ANC). Nothing else blocks engine and train rumble as well.
Gym and running: earbuds that lock in place (wing tips or ear hooks) with a water and sweat rating of at least IPX4.
Office and calls: a good microphone matters more than the sound. Look for multipoint, so the same pair stays connected to your laptop and your phone at once.
Listening at home: comfort and sound first; noise cancelling is less important. Open-back headphones sound more spacious but leak sound both ways.
Gaming: a headset with a microphone and, for consoles and PC, a 2.4 GHz wireless dongle. Plain Bluetooth adds a small delay you can notice in fast games.

2. Over-ear, on-ear or in-ear

Over-ear cups sit around your ears: the most comfortable for long sessions and the best noise cancelling, but bulky in a bag.
On-ear pads press on your ears: lighter and smaller, but they can feel tight after an hour and isolate less.
In-ear earbuds are the most portable. Fit is everything: try all the ear-tip sizes in the box, because a loose tip loses both bass and noise cancelling.
Open-ear buds rest outside the ear canal: you keep hearing traffic, which is safer for running, but they sound thinner and leak in quiet rooms.

3. Noise cancelling: what it does and doesn't do

ANC uses microphones to cancel steady, low sounds: engines, air conditioning, the hum of a train. It is much weaker against voices and sudden noises. Two things to know:

Fit does half the work. Good passive isolation (a proper seal) is what blocks voices; ANC handles the rumble.
Transparency mode lets outside sound in when you need it, for announcements or a quick chat, without taking the headphones off.

ANC uses battery: always check the battery figure with ANC on, not the best-case number.

4. Connection and codecs

The Bluetooth version on the box matters less than the codec, the way sound is compressed between phone and headphones:

iPhone: AAC is what you get; all good headphones support it.
Android: look for LDAC or aptX Adaptive if you care about the last bit of quality, and make sure your phone supports the same one.
LE Audio (LC3) is the newer Bluetooth audio standard: better efficiency, and support for Auracast broadcast audio. Nice to have, not yet essential.

Wired still has a place: no battery, no delay, and a USB-C or 3.5 mm cable works with laptops and many consoles.

5. Battery life, honestly

Realistic numbers with ANC on: earbuds 5–8 hours per charge, with two or three extra charges in the case; over-ear 25–60 hours. Fast charging (10 minutes for a few hours) is more useful day to day than a bigger total.

6. Comfort, build and the small things

Weight and clamping force decide whether you forget you're wearing them. Under 300 g is comfortable for most people.
Replaceable ear pads and tips add years of life.
The app: an equaliser, firmware updates and a choice of noise-cancelling levels. Big brands keep supporting their apps for years; no-name ones often don't.

7. What to spend

Under €50: fine for the gym or as a spare; noise cancelling at this price is weak.
€80–150: the sweet spot. Good noise cancelling, solid apps and decent microphones.
€200–400: the flagships. Better noise cancelling, sound and calls, and the most comfortable over-ears. Worth it if you wear them every day.

8. How to tell a real deal

Headphones are discounted often, so a "−40%" label alone means little. Compare against the brand's list price and against the price history on each product page: a real deal is a price that is low compared with the last weeks, not just with an inflated list price. Colours of the same model can differ by tens of euros, so check the colour picker before you buy.