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

Scoring IPX4, the Sony LinkBuds S's rating for solids indicates that no data available to specify a protection rating, and the second value of 4 means 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 take in account a lower weight best because lighter devices are more comfortable to carry.

For a device to be true wireless it should have no cables connecting any part of the device together, Sony LinkBuds S are true wireless for this matter since they have no wires. This is an important difference as some wireless earbuds have wires connecting the pair of earbuds together. Sony LinkBuds S have sweat resistance Sony LinkBuds S have stereo speakers, devices with stereo speakers deliver sound from independent channels on both left and right sides, this creates a richer sound and a better listening experience.

Active noise cancellation uses advanced kind of tech to actively cancel noise. How it works, it detects and analyzes the sound pattern outside and inside the earbud and then generates a mirror signal to counter it. Simply put, it's like taking +1 (sound from your surrounding) then producing -1 (inverted noise) giving 0 hence "diluting" the noise.

The Sony LinkBuds S have ANC enabling 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. The Sony LinkBuds S sit tightly in place, this creates a sound seal that tones down your environment sounds and also prevents the earbuds voice audio from leaking out . Sony LinkBuds S driver unit is 5mm in diameter, the bigger the unit the more powerful, therefor producing better bass. A driver unit is basically a mini speaker that makes sound in the earbuds, its size corellates with the sound made by the device.

Sony LinkBuds S's lowest frequency is at 20Hz, low-frequency response inidcates how well an audio device generates low recognizable frequencies and if it makes any changes to the signal on its way through. Sony LinkBuds S's highest frequency is at 40,000Hz, high-frequency response tells how well an audio device produces high audible frequencies and if it changes 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 for a single charge.

A device's battery life is commonly given by the manufacturer, and with more battery hours, you get to use it for longer and requires fewer chargings. The battery life of the charging case is given by the manufacturer, and the Sony LinkBuds S's case is said to have a charge of 14 hours. A charging case with a longer battery life allows you to recharge your earbuds on the go many 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 for the first time. Sony LinkBuds S have a battery level indicator, an indicator alerts you when the earbuds has a low battery.

Its lights show the charging state of your earbuds and case. Sony LinkBuds S have USB TYPE-C, an industry-standard connector for transmitting both data and power through 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.

Sony LinkBuds S have a 10meters distance connecting via Bluetooth. Sony LinkBuds S support AAC, a codec 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 intend 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 can reach a high bitrate of 990kbps, providing high-resolution audio. Sony LinkBuds S have 6 microphones.

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

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

Sony LinkBuds S have voice prompts. Automatically receive information through audio messages, say if there is an issue with the connection. Sony LinkBuds S come with their own special case.

Carrying earbuds openly, or placing them inside your pockets without a casing can easily damage them.