A breakdown of the review per specifications

Ingress Protection (Ip) Rating

Energy Sistem Sport 5 IPX4

OnePlus Buds Z2 IP55

Ingress protection ratings refer to the rank of protection given by a casing, against dust and water. In the format of IPXX, 'X' represents a number The first value of the IP rating means protection against solids such as dust, followed by the one that refers to protection against liquids (water).

Having a value of IP55, the OnePlus Buds Z2's rating for solids indicates that ingress of dust is not totally prevented but dust does not enter in harmful quantities to interfere with the correct operation or impair safety, and of liquids that they can withstand medium pressure jet that's 6.3mm diameter, similar to garden hose from any angle for 3 minutes at a distance of 2.5 to 3 metres.

Compared to the OnePlus Buds Z2, Energy Sistem Sport 5 have a rating of IPX4 meaning that no data available to specify a protection rating and that of liquids is that, OnePlus Buds Z2 has a higher liquid rating than Energy Sistem Sport 5

Weight

Energy Sistem Sport 5 18g

OnePlus Buds Z2 9g

OnePlus Buds Z2 have a weight of 9g . We consider a lower weight best because lighter devices are more comfortable to carry.

Energy Sistem Sport 5, at 18g are heavier than the OnePlus Buds Z2 by of 9g

Has No Wires Or Cables

Energy Sistem Sport 5 ✓

OnePlus Buds Z2 ✓

For a device to be true wireless it should have no wires linking any part of the device together, OnePlus Buds Z2 are true wireless for this matter since they don't have wires. This is a major difference since wireless earbuds have wires connecting the pair of earbuds .

Energy Sistem Sport 5 also is true wireless since it doesn't have wires connecting the 2 earbuds together.

Wingtips Included

Energy Sistem Sport 5 ✓

OnePlus Buds Z2 ✗

The Energy Sistem Sport 5 come with wingtips, these are reserved for workout earbuds and are usually an optional add-on to each silicone ear tip for a better fit.

Sweat Resistance

Energy Sistem Sport 5 ✓

OnePlus Buds Z2 ✓

OnePlus Buds Z2 are resistant to sweat

Energy Sistem Sport 5's resistance to sweat makes both devices fit for use while doing sports such as long-distance running, marathons, training in workout bodysuits, etc

Has Stereo Speakers

Energy Sistem Sport 5 ✓

OnePlus Buds Z2 ✓

OnePlus Buds Z2 have stereo speakers, devices with stereo speakers deliver sound from separate channels on both left and right sides, creating a richer sound and a better listening experience.

Both Energy Sistem Sport 5 and OnePlus Buds Z2 have stereo speakers

Energy Sistem Sport 5
See price on Amazon

Has Active Noise Cancellation (Noise Control)

Energy Sistem Sport 5 ✗

OnePlus Buds Z2 ✓

Active noise cancellation utilises more advanced technology to actively counter noise. ANC works when, it studies the sound pattern of incoming noise and inverts the soundwaves to counter it. Simply put, it's like taking +1 (sound from your surrounding) and producing -1 (inverted noise) giving zero thus "diluting" the noise.

OnePlus Buds Z2 have ANC allowing you to listen at lower levels of volume, good for your ears since you don't have to crank up the device volume to outcompete background noise.

Has Passive Noise Reduction

Energy Sistem Sport 5 ✓

OnePlus Buds Z2 ✓

OnePlus Buds Z2 stay tightly in place, this creates a sound seal that tones down your environment sounds and also prevents the earbuds sound from leaking out .

Both Energy Sistem Sport 5, and OnePlus Buds Z2 have passive noise reduction this means that both reduce ambient noise without using ANC to cancel it out.

Driver Unit Size

Energy Sistem Sport 5 14mm

OnePlus Buds Z2 11mm

OnePlus Buds Z2 driver unit is 11mm in diameter, the bigger the unit the more powerful, and can produce better bass. The driver unit is the component that makes sound in the device, its size corellates with the loudness of the earbuds.

Energy Sistem Sport 5 driver unit is 14mm in diameter, making them have a larger driver unit than that of OnePlus Buds Z2 by 3mm , as many tend to believe that driver units of a bigger size automatically produce better sound quality.

However, large drivers find it difficult to produce high frequencies so it's true that, larger drivers can generate louder sound, but this does not mean that they deliver better quality sound.

Lowest Frequency

Energy Sistem Sport 5 20Hz

OnePlus Buds Z2 20Hz

OnePlus Buds Z2's lowest frequency is at 20Hz, low-frequency response measures if and how well an audio device produces low frequencies that can be heard, and if it makes any changes to the signal on its way through.

Energy Sistem Sport 5's lowest frequency is at 20Hz, this means that both devices can make sound with equal bass

Highest Frequency

Energy Sistem Sport 5 20000Hz

OnePlus Buds Z2 20000Hz

OnePlus Buds Z2's highest frequency is at 20000Hz, high-frequency response tells how well an audio component generates high audible frequencies and if it adjustments to the signal while at it.

Energy Sistem Sport 5's highest frequency is at 20000Hz, this implies that both devices generate equal treble

Has A Neodymium Magnet

Energy Sistem Sport 5 ✓

OnePlus Buds Z2 ✗

The Energy Sistem Sport 5 have neodymium magnets, when used in earbuds produce a higher sensitivity and substantial sound output while using less power. They can help generate music at quite a high sound pressure level, using high magnetic flux.

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Battery Life

Energy Sistem Sport 5 5hours

OnePlus Buds Z2 7hours

OnePlus Buds Z2's battery life is 7 hours, a device's battery life is usually given by the manufacturer, and with more battery hours, you get to use it for longer and have to charge the device less often.

Energy Sistem Sport 5's battery life is less than that of OnePlus Buds Z2 by 2 hours . Every time you recharge your device, they get a little less playing time. The effect is not noticeable at first, but over a few years, your wireless earbuds will have shorter listening time.

Battery Life Of Charging Case

Energy Sistem Sport 5 20hours

OnePlus Buds Z2 31hours

The battery life of the charging case is given by the vendor, and OnePlus Buds Z2's case is said to have a charge of 31 hours. A charging case with a longer battery life enables you to recharge your earbuds on the go multiple times before recharging the case itself.

Energy Sistem Sport 5's charging case has a battery life of 20 hours, less than that of OnePlus Buds Z2 by 11 hours

Charge Time

Energy Sistem Sport 5 1.5hours

OnePlus Buds Z2 1.5hours

It requires 1.5 hours to fully charge the OnePlus Buds Z2's battery. It is recommended to fully charge the battery before using the earbuds for the first time.

Energy Sistem Sport 5 takes 1.5 hours to fully charge the battery, equal to that of the OnePlus Buds Z2

Battery Power

Energy Sistem Sport 5 40mAh

OnePlus Buds Z2 40mAh

OnePlus Buds Z2's battery power is 40mAh, battery capacity, shows the amount of electrical energy that a battery can store.

Energy Sistem Sport 5's battery power is 40mAh. equal to that of the OnePlus Buds Z2

Has A Battery Level Indicator

Energy Sistem Sport 5 ✓

OnePlus Buds Z2 ✓

The OnePlus Buds Z2 have a battery level indicator, an indicator notifies you when the device has a low battery. Its lights display the charging state of your device and case.

Energy Sistem Sport 5 too have a battery level indicator, these allow you to tell the charging state of your device, whether fully charged, or having a low battery.

Energy Sistem Sport 5
See price on Amazon

Has Usb Type-C

Energy Sistem Sport 5 ✓

OnePlus Buds Z2 ✓

OnePlus Buds Z2 have USB TYPE-C, an industry-standard connector for transmitting both data and power in a single cable.

Energy Sistem Sport 5 too use USB TYPE-C. This USB-C plug comes along with most current laptops, phones, and tablets.

Bluetooth Version

Energy Sistem Sport 5 v5

OnePlus Buds Z2 v5.2

OnePlus Buds Z2 have Bluetooth version of 5.2, Bluetooth is a wireless technology standard that enables data transfers between devices placed in close proximity, using short-wavelength, ultra-high frequency radio waves.

Energy Sistem Sport 5 has a Bluetooth version of 5, older than that of OnePlus Buds Z2 . Newer versions provide faster data transfers.

Maximum Bluetooth Range

Energy Sistem Sport 5 10meters

OnePlus Buds Z2 10meters

OnePlus Buds Z2 have a 10meters distance connecting via Bluetooth.

Energy Sistem Sport 5 have a maximum range of 10meters, equal to that of the OnePlus Buds Z2

Has Aac

Energy Sistem Sport 5 ✓

OnePlus Buds Z2 ✓

OnePlus Buds Z2 support AAC, 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 the same bit rate.

Since its the highest quality codec that any Bluetooth-supporting Apple product supports, the OnePlus Buds Z2 will work well with your iPhone. If you intend on using these with Android , ensure that they also support aptX HD, LDAC, or LHDC as well.

The Energy Sistem Sport 5 support AAC as well. Designed to be the successor of the MP3 format, AAC generally achieves higher sound quality than MP3 encoders at the same bit rate.

Has Ldac

Energy Sistem Sport 5 ✓

OnePlus Buds Z2 ✗

Energy Sistem Sport 5 support LDAC, a codec developed by Sony which allows streaming high-resolution audio over Bluetooth connections at up to 990 kbps at 32 bit/96 kHz. It can reach a high bitrate of 990kbps, which provides high-resolution audio.

Has Aptx Adaptive

Energy Sistem Sport 5 ✓

OnePlus Buds Z2 ✗

The Energy Sistem Sport 5 support APTX Adaptive, an audio codec for Bluetooth devices that are developed by Qualcomm. It has a variable bit rate (between 279kbps and 420kbps).

Has Aptx Low Latency

Energy Sistem Sport 5 ✓

OnePlus Buds Z2 ✗

Energy Sistem Sport 5 support APTX Low Latency, 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 for example when playing games.

Has Aptx Hd

Energy Sistem Sport 5 ✓

OnePlus Buds Z2 ✗

The Energy Sistem Sport 5 support APTX HD, an audio codec for Bluetooth devices that are developed by Qualcomm. It supports high-quality 24-bit audio (at a bit rate of 576kbps).

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Number Of Microphones

Energy Sistem Sport 5 2only

OnePlus Buds Z2 6only

OnePlus Buds Z2 have 6 microphones.

While the Energy Sistem Sport 5 microphones are 2, less than that of OnePlus Buds Z2 by 4 . More microphones result in better sound quality and enable the earbuds to filter out noise.

Has A Noise-Canceling Microphone

Energy Sistem Sport 5 ✗

OnePlus Buds Z2 ✓

OnePlus Buds Z2 have a noise-canceling microphone, these microphones are made to reduce background sounds from the desired sound.

Mic Sensitivity

Energy Sistem Sport 5 -42dBV/Pa

OnePlus Buds Z2 ✗

The Energy Sistem Sport 5 microphone sensitivity is measured at -42dBV/Pa. The extent of the analog or digital output signal from the microphone with its input stimulus is a measure of its sensitivity. It's the 'loudness' of the voice that the earbud microphone can recognize.

Highest Mic Frequency

Energy Sistem Sport 5 10000Hz

OnePlus Buds Z2 ✗

The Energy Sistem Sport 5's highest mic frequency is 10000Hz, high frequencies are better for recording treble. The highest mic frequency of a microphone is defined as its upper limiting frequency.

Lowest Mic Frequency

Energy Sistem Sport 5 100Hz

OnePlus Buds Z2 ✗

The Energy Sistem Sport 5's lowest mic frequency is 100Hz, low frequencies are best for picking up bass. The lowest mic frequency of a microphone is defined as its lower limiting frequency.

Energy Sistem Sport 5
See price on Amazon

Has Ambient Sound Mode

Energy Sistem Sport 5 ✓

OnePlus Buds Z2 ✗

Energy Sistem Sport 5 support ambient sound mode, which uses microphones to pass through ambient sound so that they can still be heard even while wearing the earbuds

Has In/On-Ear Detection

Energy Sistem Sport 5 ✓

OnePlus Buds Z2 ✓

The OnePlus Buds Z2 have in/on-ear detection, the sensors in the device can detect when removed from your ears so that the music is paused.

The Energy Sistem Sport 5 too support in/on-ear detection, automatically pauses your music, or audiobook when you remove earbuds from your ears saving battery life.

Has Find Earbuds Feature

Energy Sistem Sport 5 ✓

OnePlus Buds Z2 ✓

When misplaced in a room, or can't easily find them in your bag, OnePlus Buds Z2 support the find earbuds feature.

Energy Sistem Sport 5 also have the find earbuds feature. Use the device app on your smartphone to play a sound from your earbuds to help you locate them.

Supports Fast Charging

Energy Sistem Sport 5 ✓

OnePlus Buds Z2 ✓

OnePlus Buds Z2 support fast charging. Commonly, technologies like Qualcomm’s Quick Charge, are used to lower the amount of time it takes to charge a device.

Energy Sistem Sport 5 support fast charging. This kind is similar to regular charging, just that the battery is filling up much faster. Say, with Quick Charge 3.0, the battery can be charged to 50% in just thirty minutes.

Has A Mute Function

Energy Sistem Sport 5 ✓

OnePlus Buds Z2 ✓

OnePlus Buds Z2 have a mute function, they have the feature to mute/unmute a conversation directly from the earbuds.

The Energy Sistem Sport 5 also support this function. It means that you are in position turn off the device's microphone, but you can still hear the other party talk.

Control Panel Placed On A Device

Energy Sistem Sport 5 ✓

OnePlus Buds Z2 ✓

With the OnePlus Buds Z2, so you can access the volume control, pause, play, mute, etc whichever functions are supported on the device.

The Energy Sistem Sport 5 also have a control panel on them.

Has Voice Prompts

Energy Sistem Sport 5 ✓

OnePlus Buds Z2 ✓

OnePlus Buds Z2 support voice prompts. With voice prompts, you receive information through audio messages, like if there is an issue with the connection.

The Energy Sistem Sport 5 also support voice prompts .i.e the device will notify you if the battery is low, and you need to recharge them.

Travel Bag Is Included

Energy Sistem Sport 5 ✓

OnePlus Buds Z2 ✓

The OnePlus Buds Z2 come with a special pouch. Carrying earphones openly, or placing them inside your pockets without a cover can easily damage them.

Energy Sistem Sport 5 too have a case included, which offers safe transportation.

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Reasons why you might like the Energy Sistem Sport 5

Reasons why you might like the OnePlus Buds Z2

A breakdown of the review per specifications

Design

Ingress Protection (Ip) Rating

Weight

Has No Wires Or Cables

Wingtips Included

Sweat Resistance

Has Stereo Speakers

Sound Quality

Has Active Noise Cancellation (Noise Control)

Has Passive Noise Reduction

Driver Unit Size

Lowest Frequency

Highest Frequency

Has A Neodymium Magnet

Power

Battery Life

Battery Life Of Charging Case

Charge Time

Battery Power

Has A Battery Level Indicator

Connectivity

Has Usb Type-C

Bluetooth Version

Maximum Bluetooth Range

Has Aac

Has Ldac

Has Aptx Adaptive

Has Aptx Low Latency

Has Aptx Hd

Microphone

Number Of Microphones

Has A Noise-Canceling Microphone

Mic Sensitivity

Highest Mic Frequency

Lowest Mic Frequency

Extras

Has Ambient Sound Mode

Has In/On-Ear Detection

Has Find Earbuds Feature

Supports Fast Charging

Has A Mute Function

Control Panel Placed On A Device

Has Voice Prompts

Travel Bag Is Included

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