Ingress protection ratings refer to the rank of protection given by an enclosure, against solids and liquids. The letters 'IP' are followed by two values The first value of the IP rating means protection against solids say dust, while the second refers to resistance against liquids (sweat).

Scoring IPX4, the Sony LinkBuds S's rating for solids indicates 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. The Sony LinkBuds S have a weight of 9.6g . We consider a lower weight best for the reason that lighter devices are easier to transport.

True wireless devices have no wires connecting any part of the device together, Sony LinkBuds S are true wireless for this case since they have no cables. This is an important difference as some wireless earbuds have wires linking the pair of earbuds together. Sony LinkBuds S are resistant to sweat Sony LinkBuds S have stereo speakers, what this means is that Sony LinkBuds S's speakers deliver sound from separate channels on both left and right sides, creating a richer sound and a better listening experience.

Active noise cancellation utilises more advanced kind of tech to actively counter noise. ANC works when, it listens to the sound pattern of incoming noise and inverts the soundwaves to cancel it out. In simple terms, it's like having +1 (noise) and producing -1 (inverted noise) to make 0 which results in a reduced level of 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 outcompete background sounds. The Sony LinkBuds S stay tightly in place, this creates a sound seal that reduces background noise well as preventing the earbuds sound from leaking out at the same. Sony LinkBuds S have a unit size of 5mm in diameter, the bigger the unit the more powerful, therefor producing better bass.

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

The 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 usually given by the manufacturer, and with longer battery life, you get to use it for longer and requires fewer chargings. The battery life of the charging case is given by the vendor, and the Sony LinkBuds S's case has a charge of 14 hours.

A charging case with more battery hours allows you to recharge your earbuds on the go many times before having to recharge the case itself. It takes 2 hours to fully charge the Sony LinkBuds S's battery. It is recommended to charge fully the battery before using the earbuds for the first time.

Sony LinkBuds S have a battery level indicator, an indicator notifies you when the device has a low battery. The battery indicator lights show the charging status of your device and charging case. Sony LinkBuds S support USB TYPE-C, an industry-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 enables data movement between devices placed in range, using short-wavelength, ultra-high frequency radio waves. The Sony LinkBuds S have a 10meters distance to connect 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 fine with your iPhone.

If you intend on using these with Android , ensure that they also support aptX HD, LDAC, or LHDC as well. 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. Sony LinkBuds S support ambient sound mode, which uses microphones to pass through ambient sound to still be heard even while wearing them The Sony LinkBuds S support in/on-ear detection, the sensors in the device can detect when removed from your ears . If misplaced in a room, or can't easily find them in your bag, the Sony LinkBuds S support the find earbuds feature. Sony LinkBuds S support fast charging.

Commonly, technologies like MediaTek’s Pump Express, are used to reduce the time it takes to charge a device. Sony LinkBuds S have a mute function, they have 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 device.

Sony LinkBuds S support voice prompts. With voice prompts, you receive information through audio messages, say if there is an issue with the connection. Sony LinkBuds S come with their own special pouch.

Carrying earbuds openly, or putting them in your pockets without a cover may easily put them at risk of getting damaged.