What is the difference between active noise cancelling and passive isolation?

Passive isolation is just the shape of the headphone: in-ear tips or over-ear pads physically block sound. Active noise cancelling (ANC) also listens to your surroundings through microphones and generates an opposing wave, so it works best on steady drone — a plane, a bus, ventilation. ANC does very little against sudden sounds such as speech.

How long do wireless earbuds really last on one charge?

In-ear buds usually play for 4–8 hours, and the case adds another two to four full charges. Over-ear headphones last 20–40 hours. High volume, ANC and cold weather all cut into that — in winter expect roughly a fifth less.

Can I use one pair with both my phone and my computer?

Yes, if the headphones support multipoint: they stay connected to two devices at once and switch by themselves when a call starts on the computer. Without multipoint you have to disconnect one device manually every time.

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Bluetooth Hands Free Dudao "U18" Black (Bluetooh 5.1)

Wireless Earphones (TWS)

Bluetooth Hands Free Dudao "U18" Black (Bluetooh 5.1)

Name: Bluetooth Hands Free Dudao "U18" Black (Bluetooh 5.1)
Brand: Dudao
SKU: 6915082
Price: 22.99 EUR
Availability: InStock

SKU: 6976625331314

Price

€22.99

Delivery

Pick up at Omniva, Unisend, SmartPosti parcel locker

August 27-29 (from 3.09 €) (FREE from 39 €)

Delivery to home / office

August 27-29 (from 9.99 €) (FREE from 99 €)

Color

Black

Protection

Reliable device protection

Quality

Premium materials

Perfect Fit

Designed for your device

Description

Black Dudao U18 true-wireless stereo earphones use Bluetooth 5.1 and include a charging case with a ring-shaped carrying loop. Their compact design supports music playback and everyday travel.

Wireless range: up to 10m.
Earbud battery: 30mAh; case battery: 300mAh.
Operating time: up to 4 hours; standby: up to 30 hours; charging time: about 1.5 hours.
Charging connector: USB-C.