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.

Bluetooth handsfree Remax RB-T9 black

Name: Bluetooth handsfree Remax RB-T9 black
Brand: Remax
SKU: 4930906
Price: 9.99 EUR
Availability: InStock

Description

The Remax RB-T9 is a classic and dependable hands-free headset designed for straightforward, efficient communication. Combining a lightweight build with essential wireless features, it is an ideal companion for users who prioritize comfort and ease of use during daily calls.

Constructed from a blend of ABS and PC (polycarbonate), the headset is both durable and lightweight. It features an internal polymer lithium battery , providing a stable power source for consistent performance throughout your day.

Key Features:

Wireless Connectivity: Utilizes Bluetooth V4.1 for a steady connection to your smartphone or tablet within a 10-meter range.
Reliable Build: The ABS and PC housing offers a balance of impact resistance and a smooth, professional finish.
Optimized Power: Equipped with a high-quality polymer lithium battery and designed for a standard 5V charging voltage, making it compatible with most universal chargers.
Ergonomic Comfort: Its compact design is tailored for secure fitment, ensuring it remains comfortable even during long periods of wear.

Technical Specifications:

Feature: Specification
Bluetooth Version: V4.1
Material: ABS + PC
Battery Type: Polymer Lithium Battery
Bluetooth Distance: 10m
Transmitted Power: Class 2
Working Frequency: ISM Frequency
Charging Voltage: 5V
Working Voltage: 3.7V

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Bluetooth handsfree Remax RB-T9 black

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