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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Blavec Portable Bluetooth Speaker TWS WS-04 Go Box - 5W (WS04-B) black

Portable Speakers

Blavec Portable Bluetooth Speaker TWS WS-04 Go Box - 5W (WS04-B) black

Name: Blavec Portable Bluetooth Speaker TWS WS-04 Go Box - 5W (WS04-B) black
Brand: Blavec
SKU: 6942795
Price: 15.99 EUR
Availability: InStock

SKU: 5900217495215

Price

€15.99

Delivery

Pick up at Omniva, Unisend, SmartPosti parcel locker

August 13-15 (from 3.09 €) (FREE from 35 €)

Delivery to home / office

August 13-15 (from 9.99 €) (FREE from 99 €)

Color

Black

Protection

Reliable device protection

Quality

Premium materials

Perfect Fit

Designed for your device

Description

Compact wireless speaker with TWS and RGB lighting

A 5W speaker and 52 mm driver provide balanced sound for music, podcasts and calls. Bluetooth 5.3 works at distances up to 15 m, while TWS can pair two speakers for stereo playback. Other options include AUX, hands-free calling and microSD cards up to 128 GB.

The ABS and fabric body has RGB lighting and a carrying strap. Its 1200 mAh battery provides up to 8 hours of playback, typically 5–8 hours depending on volume. USB-C charging at 5V/1A takes about 4 hours.

Dimensions: 107 × 55 × 119 mm
Weight: 350 g