Design
Ingress Protection (IP) rating
The first number of the IP rating refers to protection against dust, while the second number refers to protection against liquid. E.g. a first number of 6 denotes that it is completely dustproof, and a second number of 7 denotes that the device can withstand full immersion in water.
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- Noise Buds R1 ipx5
Weight
We consider a lower weight better because lighter devices are more comfortable to carry. A lower weight is also an advantage for home appliances, as it makes transportation easier, and for many other types of products.
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Has no wires or cables
True wireless devices have no cables connecting any part of the device together. This is an important distinction as some wireless earbuds have cables connecting the two earbuds together.
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Wingtips included
These earbuds come with wingtips that can be attached for a more secure fit. Wingtips come in handy for sports and other physical activities. When used correctly, they prevent the earbuds from falling off.
- EPOS GTW 270 Hybrid
- Noise Buds R1
Sweat resistance
Resistance to sweat makes it ideal for use while doing sports.
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- Noise Buds R1
Has stereo speakers
Devices with stereo speakers deliver sound from independent channels on both left and right sides, creating a richer sound and a better experience.
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- Noise Buds R1
Waterproof depth rating
The waterproof depth rating indicates how well the device is protected against water ingress and water pressure. Devices which can withstand more water pressure are better for swimming or diving.
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Sound quality
Driver unit size
The driver unit is the component that produces sound in the device. Bigger drivers are more powerful and can produce better bass.
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- Noise Buds R1 11
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Sound pressure level
Devices with a higher sound pressure level are generally louder when supplied with any given audio source.
- EPOS GTW 270 Hybrid 100dB/mW
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Has a neodymium magnet
Devices with neodymium magnets are lighter and more powerful than those which use ferrite magnets. They also have more bass and clear high notes.
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Power
Battery life
The device's battery life (when in use) as given by the manufacturer. With a longer battery life you have to charge the device less often.
- EPOS GTW 270 Hybrid 5h
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- Noise Buds R1 8
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Battery life of charging case
The battery life of the charging case as given by the manufacturer. A charging case with a longer battery life allows you to recharge your headphones on the go multiple times before having to recharge the case itself.
- EPOS GTW 270 Hybrid 15h
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Charge time
The time it takes to fully charge the battery.
- EPOS GTW 270 Hybrid 1.5h
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Battery power
Battery power, or battery capacity, represents the amount of electrical energy that a battery can store. More battery power can be an indication of longer battery life.
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- Noise Buds R1 1.5
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Has wireless charging
It supports a wireless charging standard such as Qi. To charge the device, you simply put it down on a compatible charging pad.
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Has a battery level indicator
An indicator shows you when the device has low battery.
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Has a rechargeable battery
The battery can be recharged and used over again.
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Connectivity
Has USB Type-C
The USB Type-C features reversible plug orientation and cable direction.
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Bluetooth version
Bluetooth is a wireless technology standard that allows data transfers between devices placed in close proximity, using short-wavelength, ultra-high frequency radio waves. Newer versions provide faster data transfers.
- EPOS GTW 270 Hybrid 5.1
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Has LDAC
LDAC is a codec developed by Sony for Bluetooth audio. It is capable of a very high bitrate of 990kbps, which provides high resolution audio. It can also automatically adjust to a lower bitrate of 330kbps or 660kbps to increase stability.
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Has aptX Adaptive
aptx Adaptive is an audio codec for Bluetooth devices that is developed by Qualcomm. It has a variable bit rate (between 279kbps and 420kbps), which means it can adjust the bit rate for different scenarios, such as listening to HD audio or reducing interference from other devices.
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- Noise Buds R1
Has aptX Low Latency
aptX Low Latency is a codec developed by Qualcomm. It uses Bluetooth 5.0 technology to provide low latency audio (around 40ms), which is useful when you want to avoid audio lag (e.g. when playing games).
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Has aptX HD
aptX HD is an audio codec for Bluetooth devices that is developed by Qualcomm. It supports high quality 24-bit audio (at a bit rate of 576kbps).
- EPOS GTW 270 Hybrid
- Noise Buds R1
Has aptX
aptX is a codec used for transmitting audio wirelessly with Bluetooth. It is developed by Qualcomm, and supports 16-bit audio at a bit rate of 384kbps.
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Audio latency
Latency refers to the time it takes for the audio signal to be transmitted to your headphones/earbuds. Lower latency reduces audio lag, and is particularly important when playing games or watching videos.
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Maximum Bluetooth range
The device can connect at a greater distance via Bluetooth or infrared to another device.
- EPOS GTW 270 Hybrid 10m
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Supports Bluetooth pairing using NFC
Device supports fast Bluetooth pairing using NFC so it can communicate with other devices over Bluetooth. You can fastly pair devices without entering a code by simply holding one device next to the device with which it is to be paired.
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- Noise Buds R1 40
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Can be used wirelessly
Wireless devices allow users more freedom of movement.
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Has AAC
AAC is a codec that is used for Bluetooth audio. It supports 24-bit audio at 250kbps. Because it uses psychoacoustic modeling, it can provide better results than other codecs at a similar bit rate.
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- Noise Buds R1
Features
Has ambient sound mode
Ambient sound mode uses microphones to pass through ambient noises so that they can still be heard. It’s useful when you want to listen to music but also be aware of what’s happening around you, for example when you’re jogging but still want to be able to hear traffic.
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Has in/on-ear detection
Sensors can detect when they are removed from your ears so that the music is paused, saving battery life.
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Has find earbuds feature
You can use the app to play a sound from your earbuds to help you locate them.
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Has a mute function
The device has an option to mute/unmute a conversation directly from the device.
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Warranty period
When covered under the manufacturer’s warranty it is possible to get a replacement in the case of a malfunction. Note: This may vary by region.
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Has voice prompts
With voice prompts, you will automatically receive information via audio messages – for instance, you may find out that the battery is running low, and it's time to recharge the device.
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Has an in-line control panel
There is a control panel on the cable, so you can easily operate the device without having to interact with it.
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Has a temperature sensor
With a temperature sensor you can monitor changes in temperature to measure your exertion levels and avoid hyperthermia.
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Microphone
Has a noise-canceling microphone
These microphones are designed to filter out background noise from the desired sound. Especially useful in noisy environments.
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Mic sensitivity
It's the 'loudness' of the sound that the microphone can pick up.
- EPOS GTW 270 Hybrid -20dBV/Pa
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Highest mic frequency
The highest frequency that the mic can pick up. Better for recording treble.
- EPOS GTW 270 Hybrid 7500Hz
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Lowest mic frequency
The lowest frequency that the mic can pick up. Better for recording bass.
- EPOS GTW 270 Hybrid 100Hz
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