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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Dudao U15H TWS Bluetooth 5.1 wireless headphones black

Wireless Earphones (TWS)

Dudao U15H TWS Bluetooth 5.1 wireless headphones black

Name: Dudao U15H TWS Bluetooth 5.1 wireless headphones black
Brand: Dudao
SKU: 6871180
Price: 18.99 EUR
Availability: InStock

SKU: 6973687244699

Price

€18.99

Delivery

Pick up at Omniva, Unisend, SmartPosti parcel locker

August 25-27 (from 3.09 €) (FREE from 39 €)

Delivery to home / office

August 25-27 (from 9.99 €) (FREE from 99 €)

Color

Black

Protection

Reliable device protection

Quality

Premium materials

Perfect Fit

Designed for your device

Description

The black Dudao U15H true wireless in-ear headphones use Bluetooth 5.1 for cable-free listening and calls. Touch controls provide access to music and call functions, while the charging case stores and protects the earphones.

Material: ABS.
Battery: 25 mAh per earphone and 300 mAh in the case.
Music playback: 4 hours; talk time: 4 hours; standby: 120 hours.
Charging time: 1.5 hours.
Earphone dimensions: 32 × 19 × 21 mm; case: 53 × 45 × 22 mm.
Included: 1 pair of headphones, 1 case and 1 charging cable.