IP ratings is the level of protection given by a casing, against solids and water. The letters 'IP' are followed by two values The first value refers to protection against solids say dust, followed by the one that refers to protection against liquids (sweat).

Scoring IPX4, the Sony LinkBuds S's rating is read as, the first value of X denotes that no data available to specify a protection rating, and the second number 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 consider a lower weight better for the reason that lighter devices are more comfortable to carry.

True wireless devices 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 a major difference as some wireless earbuds have wires connecting the two earbuds together. Sony LinkBuds S have sweat resistance Sony LinkBuds S 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.

ANC makes use of advanced kind of tech to actively cancel noise. ANC works when, it listens to the sound pattern outside and inside the earbud and after inverts the soundwaves to cancel it out. Simply put, it's like having +1 (sound from your surrounding) then adding -1 (counter sound by the device) to make zero which results in a reduced level of noise.

Sony LinkBuds S have ANC allowing you to listen at lower levels of volume, good for your ears since you don't have to crank up the earbuds volume to overcome background noise. The Sony LinkBuds S sit well in place, creating an acoustic covering that reduces your environment sounds and also prevents the earbuds voice audio from leaking out at the same. The Sony LinkBuds S have a unit size of 5mm in diameter, bigger drivers are more powerful, and can produce better bass.

The driver unit is the component that produces sound in the device, the unit size dictates the loudness of the earbuds. Sony LinkBuds S's lowest frequency is at 20Hz, low-frequency response measures if and how well a particular audio device generates low audible frequencies and if it alters the signal on its way through. The Sony LinkBuds S's highest frequency is at 40,000Hz, high-frequency response shows how well an audio device makes high recognizable frequencies and if it changes to the signal while at it.

The 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 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 Sony LinkBuds S's case is said to have a charge of 14 hours.

A charging case with more battery hours enables you to recharge your earbuds on the go several times before recharging the case itself. It takes 2 hours to fully charge the Sony LinkBuds S's battery. It is highly adivsable to charge fully the battery before using the earbuds when they have been unused for long periods.

Sony LinkBuds S have a battery level indicator, an indicator shows you when the earbuds has a low battery. The battery indicator lights show the charging status of your earbuds and charging case. The Sony LinkBuds S support USB TYPE-C, a standard connector for transmitting both data and power through a single cable.

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 provides 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 iPad.

If you are planning on using these with Android you need to pay even closer attention to codec support for if they only have AAC they won't provide the best audio quality possible, 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.

The 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 misplaced in a room, or can't easily find them in your bag, the Sony LinkBuds S have a find earbuds feature.

Sony LinkBuds S support fast charging. Usually, technologies like MediaTek’s Pump Express, are used to reduce the amount of time it takes to charge a device. Sony LinkBuds S have a mute function, they support the option 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 device. Sony LinkBuds S support voice prompts. Automatically receive information through audio messages, like if there is an issue with the connection.

Sony LinkBuds S come with their own special case. Carrying earphones openly, or putting them inside your bag without a cover can easily damage them.