Trust International

Trust International B.V.

<b>Yavi<br>Bluetooth ENC earphones</b><br>Comfortable wireless Bluetooth® earphones with noise-cancelling microphones

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

Operating keys

Volume control

Control unit type

LED indicators

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

Bluetooth profiles

Ports & interfaces

Acoustic system

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

Headphone frequency

Headphone sensitivity

Magnet type

Driver unit

Total harmonic distortion is a measure of non-linear harmonic

distortion and is given in %. Non-linear harmonic distortions are

signals which were not present in the original before the signal was

converted by the headphones. These unwanted signals are caused by the

diaphragm, whose movements do not precisely move in time with the

electric signals that cause it to move. Unfortunately, this is a

feature of all electroacoustic transducers. Although it cannot be

completely eliminated, suitable steps can be taken to minimise it.

However, the user is not interested in why this distortion takes place

but in how great the level of distortion must be for it to become

perceptible. According to the findings of several research projects, a

total harmonic distortion of 1% in the frequency range of 100 to 2000

Hz is imperceptible. Below 100 Hz, the perceptibility threshold lies

at 10%.

Total Harmonic Distortion (THD)

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

Number of microphones

Microphone

Battery operated

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

Battery type

Battery

Sustainability compliance

Sustainability certificates

Sustainability

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

Charging case

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

Cables included

Quantity

Packaging content

Indicates whether the product contains any proportion of recycled or secondary raw materials in its composition.

Product made with recycled materials

The combined percentage of recycled or secondary raw materials relative to the total weight of the product and its packaging together.

Overall recycled content

Warranty period

Technical details

Yavi

Trust Yavi Headset True Wireless Stereo (TWS) In-ear Calls/Music USB Type-C Bluetooth Black

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