Design
Fit
The fit of the earbuds.
- Baseus Simu S15 in_ear
- Motorola VerveBuds 400 earbud
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.
- Baseus Simu S15 null
- Motorola VerveBuds 400 ipx6
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.
- Baseus Simu S15 null
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- Motorola VerveBuds 400 9
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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.
- Baseus Simu S15
- Motorola VerveBuds 400
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.
- Baseus Simu S15
- Motorola VerveBuds 400
Sweat resistance
Resistance to sweat makes it ideal for use while doing sports.
- Baseus Simu S15
- Motorola VerveBuds 400
Is dustproof and water-resistant
The device is dustproof and water-resistant. Water-resistant devices can resist the penetration of water, such as powerful water jets, but not being submerged into water.
- Baseus Simu S15
- Motorola VerveBuds 400
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.
- Baseus Simu S15
- Motorola VerveBuds 400
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.
- Baseus Simu S15 null
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- Motorola VerveBuds 400 null
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Sound quality
Has active noise cancellation (ANC)
This type of device allows you to listen at lower volume levels, causing less ear fatigue as you don't have to crank up the volume to overcome background noise. Ideal for plane rides and morning commutes.
- Baseus Simu S15
- Motorola VerveBuds 400
Has passive noise reduction
The device sits tightly in place, creating an acoustic seal which reduces background noise and prevents your music from leaking out.
- Baseus Simu S15
- Motorola VerveBuds 400
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.
- Baseus Simu S15 null
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- Motorola VerveBuds 400 6
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Lowest frequency
The lowest frequency at which the device produces audio. The lower the low-frequency response, the stronger and juicier the bass.
- Baseus Simu S15 20Hz
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- Motorola VerveBuds 400 null
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Highest frequency
The highest frequency at which device produces audio. The higher the high-frequency response, the clearer and crispier the treble.
- Baseus Simu S15 20000Hz
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- Motorola VerveBuds 400 null
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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.
- Baseus Simu S15
- Motorola VerveBuds 400
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.
- Baseus Simu S15 7h
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- Motorola VerveBuds 400 3
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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.
- Baseus Simu S15 100mAh
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- Motorola VerveBuds 400 null
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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.
- Baseus Simu S15 null
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- Motorola VerveBuds 400 null
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Has a battery level indicator
An indicator shows you when the device has low battery.
- Baseus Simu S15
- Motorola VerveBuds 400
Has a rechargeable battery
The battery can be recharged and used over again.
- Baseus Simu S15
- Motorola VerveBuds 400
Connectivity
Has USB Type-C
The USB Type-C features reversible plug orientation and cable direction.
- Baseus Simu S15
- Motorola VerveBuds 400
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.
- Baseus Simu S15 4.2
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- Motorola VerveBuds 400 5
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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.
- Baseus Simu S15
- Motorola VerveBuds 400
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.
- Baseus Simu S15
- Motorola VerveBuds 400
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).
- Baseus Simu S15
- Motorola VerveBuds 400
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).
- Baseus Simu S15
- Motorola VerveBuds 400
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.
- Baseus Simu S15
- Motorola VerveBuds 400
Maximum Bluetooth range
The device can connect at a greater distance via Bluetooth or infrared to another device.
- Baseus Simu S15 15m
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- Motorola VerveBuds 400 null
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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.
- Baseus Simu S15 null
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- Motorola VerveBuds 400 10
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Can be used wirelessly
Wireless devices allow users more freedom of movement.
- Baseus Simu S15
- Motorola VerveBuds 400
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.
- Baseus Simu S15
- Motorola VerveBuds 400
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.
- Baseus Simu S15
- Motorola VerveBuds 400
Has in/on-ear detection
Sensors can detect when they are removed from your ears so that the music is paused, saving battery life.
- Baseus Simu S15
- Motorola VerveBuds 400
Has find earbuds feature
You can use the app to play a sound from your earbuds to help you locate them.
- Baseus Simu S15
- Motorola VerveBuds 400
Supports fast charging
Fast charging technologies, like Qualcomm’s Quick Charge or MediaTek’s Pump Express, are used to reduce the time it takes to charge a device. For example, with Quick Charge 3.0, the battery can be charged to 50% in just 30 minutes.
- Baseus Simu S15
- Motorola VerveBuds 400
Has a mute function
The device has an option to mute/unmute a conversation directly from the device.
- Baseus Simu S15
- Motorola VerveBuds 400
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.
- Baseus Simu S15 null
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- Motorola VerveBuds 400 1
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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.
- Baseus Simu S15
- Motorola VerveBuds 400
Has a temperature sensor
With a temperature sensor you can monitor changes in temperature to measure your exertion levels and avoid hyperthermia.
- Baseus Simu S15 null
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- Motorola VerveBuds 400 null
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Microphone
Number of microphones
More microphones result in better sound quality and enable the device to filter out background noise.
- Baseus Simu S15 null
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- Motorola VerveBuds 400 2
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Has a noise-canceling microphone
These microphones are designed to filter out background noise from the desired sound. Especially useful in noisy environments.
- Baseus Simu S15
- Motorola VerveBuds 400