Acer Inc.

Acer Computer B.V.

Acer Computer GmbH

Acer Denmark A/S

Product type

Wearing style

What the product should be used for, and how it should be used (e.g. ambient temperature).

Recommended usage

A headset is headphones combined with a microphone, or one headphone with a microphone. Headsets provide the equivalent functionality of a telephone handset but with hands-free operation. Types of headsets include single earpiece (monaural) and double earpiece.

Headset type

The colour e.g. red, blue, green, black, white.

Product colour

Indicates whether the strap securing the device to the head can be modified in size for a customized fit.

Adjustable headband

Performance

The technology that enables connectivity of the device, e.g. wired or wireless.

Connectivity technology

USB connectivity

What type of USB connector is built into the device.

USB connector

Bluetooth is a low-power radio technology developed to replace the cables and wires currently used to link or connect electronic devices such as personal computers, printers, and a wide variety of handheld devices including mobile phones. Because it uses radio-wave connectivity, a Bluetooth-enabled device has a constant, established connection to whatever browser it uses. This saves the user the trouble of logging on to check for emails or news updates, for example.

Bluetooth

The type of bluetooth technology in the product e.g. Bluetooth Smart (v4.0).

Bluetooth version

Indicates whether the device supports wireless communication via radio frequency (RF) signals.

RF connectivity

A small section of the spectrum of radio communication frequencies, in which channels are usually used or set aside for the same purpose e.g.for a channel on FM radio; for mobile networks to communicate with mobile phones.

Frequency band

The maximum distance over which the device can maintain a stable wireless connection, typically measured in metres.

Wireless range

Ports & interfaces

Ear coupling describes the way in which headphones or earphones stay attached to, or inside, the ear. There are three common types of ear coupling: circumaural, supra-aural and intra-aural. Circumaural headphones enclose your ears with large pads that suppress external noise. Supra-aural headphones are typically more lightweight and sit on top of the ears with small pads. Intra-aural headphones come in two basic designs and neither style sits on the head itself. The first are ear buds, which sit just outside of the ear canal, on top of your ear lobes. The second type is actually inserted directly into the ear canal and offers some external noise suppression.

Ear coupling

The range of frequencies (low to high sounds) that the headphones can produce.

Headphone frequency

The effective resistance of an electric circuit or component to alternating current, arising from the combined effects of ohmic resistance and reactance.

Impedance

The measure of how efficiently the unit converts an electrical signal into sound, typically expressed in decibels per millivolt (dB/mW).

Headphone sensitivity

Magnet type

The diameter of the internal diaphragm responsible for producing sound, measured in millimetres.

Driver unit

Headphones

The characteristics of the microphone bulit into the device in terms of the reception of signals from all or just one direction, i.e. omnidirectional (better for concerts and the like vs unidirectional, more suitable for voice recording.

Microphone type

Indicates whether the microphone can be removed from the device.

Detachable microphone

Indicates whether the integrated microphone can actively reduce background noise to improve voice clarity.

Microphone noise-canceling

Microphone

Indicates whether the product is powered by batteries.

Battery operated

Description of battery supplied with the product, such battery form factor (e.g. AA/AAA).

Battery type

Number of hours on average for continuous play. This is dependent on the device battery capacity.

Continuous audio playback time

Approximate time required to recharge the battery from completely empty to completely full

Battery recharge time

Battery

Windows vesions wich can be used with the device.

Windows operating systems supported

System requirements

The measurement or extent of something from side to side.

Width

The distance from the front to the back of something.

Depth

The measurement of the product from head to foot or from base to top.

Height

Weight of the product without packaging (net weight). If possible, the net weight is given including standard accessories and supplies. Please note that sometimes the manufacturer leaves out the weight of accessories and/or supplies.

Weight

Weight & dimensions

The distance from one side of the packaging to the other.

Package width

The distance from the front to the back of the packaging.

Package depth

The distance from the top to the bottom of the packaging.

Package height

Package weight

Packaging data

Indicates whether a power supply unit for connecting the device to an AC outlet is provided in the package.

AC adapter included

Instructions, either online, as a computer program or in paper form, to allow you to set up and start using the product quickly.

Quick start guide

The product includes a receiver, which is a device for picking up an external signal.

Receiver included

The type of physical connection used by the wireless receiver to connect to a host device (e.g. USB Type-A or USB Type-C).

Wireless receiver interface

Specifies the types and quantities of connection cables provided with the product (e.g., 3.5 mm to 3.5 mm or SATA).

Cables included

Packaging content

Indicates whether the product features a USB Type-C port specifically for charging purposes.

USB Type-C charging port

Power

The total amount of time the device can operate on a single full charge, measured in min.

Battery life

Supplier features

DIRECTIVE (EU) 2022/2380 OF THE EUROPEAN PARLIAMENT AND OF THE COUNCIL of 23 November 2022 (Part III)

Acer Predator Galea 550 Gaming Headset

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