IP ratings refer to the level of protection given by an enclosure, against dust and water. The letters 'IP' are followed by two values The first value refers to protection against solids such as dust, while the second refers to resistance against liquids (water).

Having a value of IPX4, the Sony LinkBuds S's rating is read as, the first number of X denotes that no data available to specify a protection rating, and of liquids that they can withstand low pressure spray similar to that of a shower head when tilted at 180° for 10 minutes. Sony LinkBuds S have a weight of 9.6g . We consider a lower weight better for the reason that lighter devices are more comfortable to move with.

For a device to be true wireless it should have no cables linking any part of the device together, Sony LinkBuds S are true wireless for this case since they have no cables. This is a major difference since wireless earbuds have cables linking the 2 earbuds . Sony LinkBuds S are resistant to sweat Sony LinkBuds S have stereo speakers, devices with stereo speakers deliver sound from independent channels on both left and right sides, creating a richer sound and a better listening experience. Active noise cancellation makes use of advanced technology to actively cancel noise.

How it works, it studies the sound pattern outside and inside the earbud and after generates a mirror signal to counter it. Simply put, it's like taking +1 (noise) then producing -1 (inverted noise) to make 0 therefore "diluting" the noise.

Sony LinkBuds S have ANC allowing you to listen at lower volume levels, good for your ears as you don't need to crank up the earbuds volume to overcome background noise.

Sony LinkBuds S sit well in place, this creates a sound seal that reduces your environment sounds and also prevents the earbuds music from leaking out at the same. Sony LinkBuds S driver unit is 5mm in diameter, bigger drivers are more powerful, therefor producing better bass. A driver unit is basically a mini speaker that produces sound in the earbuds, the unit size determines the sound made by the device.

Sony LinkBuds S's lowest frequency is at 20Hz, low-frequency response measures if and how well an audio device generates low frequencies that can be heard, and if it alters the signal while at it. Sony LinkBuds S's highest frequency is at 40,000Hz, high-frequency response shows how well an audio component generates high audible frequencies and if it makes any adjustments to the signal while at it. Sony LinkBuds S's battery life is 6 hours, these last longer than 5 hours of listening which is considered average before recharge.

A device's battery life is given by the manufacturer, and with longer battery life, you get to use it for longer and requires fewer chargings. This is given by the manufacturer, and Sony LinkBuds S's case has a charge of 14 hours. A charging case with more battery hours enables you to recharge your earbuds on the go multiple times before having to recharge the case itself.

It requires 2 hours to fully charge the Sony LinkBuds S's battery. It is recommended to fully charge the battery before using the earbuds when they have been unused for long periods. Sony LinkBuds S have a battery level indicator, an indicator alerts you when the device has a low battery.

Its lights show the charging state of your device and charging case. Sony LinkBuds S support USB TYPE-C, a standard connector for transmitting both data and power in a single cable. The Sony LinkBuds S have Bluetooth version of 5.2, Bluetooth is a wireless technology standard that allows data movement between devices placed in range, using short-wavelength, ultra-high frequency radio waves.

The Sony LinkBuds S have a 10meters distance connecting via Bluetooth. Sony LinkBuds S 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 Sony LinkBuds S will work well with your iPhone. If you are planning on using these with Android , ensure that they also support aptX HD, LDAC, or LHDC as well.

The Sony LinkBuds S 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 is capable of a very high bitrate of 990kbps, which provides high-resolution audio. Sony LinkBuds S have 6 microphones.

The Sony LinkBuds S support ambient sound mode, which uses microphones to channel ambient noises so that they can still be heard even when wearing the earbuds Sony LinkBuds S support in/on-ear detection, the sensors in the device can detect when they are removed from your ears so that the music is paused. If lost in a room, or can't easily find them in your bag, the Sony LinkBuds S have a find earbuds feature. The Sony LinkBuds S support fast charging.

Most often, technologies like MediaTek’s Pump Express, are used to lower the time it takes to fully charge a device. Sony LinkBuds S have a mute function, they support the feature to mute/unmute a conversation directly from the device. With the Sony LinkBuds S, so you can easily access the volume control, pause, play, mute, etc whichever features are supported on the earbuds.

Sony LinkBuds S support voice prompts. Automatically receive information through audio messages, like if there is a problem with the connection. Sony LinkBuds S come with a special pouch.

Carrying earphones without a case, or placing them inside your pockets without a casing can easily put them at risk of getting damaged.