Ingress protection ratings is the rank of protection given by an enclosure, against solids and water. In the format of IPXX, 'X' represents a number The first value represents protection against solids say dust, while the second refers to resistance against liquids (sweat).

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 prefer a lower weight better for the reason that lighter devices are more comfortable to carry.

For a device to be true wireless it must have no wires connecting any part of the device together, Sony LinkBuds S are true wireless for this matter since they don't have wires. This is a key difference since wireless earbuds have wires connecting the pair of earbuds together. Sony LinkBuds S are resistant to sweat Sony LinkBuds S have stereo speakers, devices with stereo speakers deliver sound from separate channels on both left and right sides, this creates a richer sound and a better listening experience.

ANC makes use of more advanced kind of tech to actively cancel noise. How it works, it listens to the sound pattern of incoming noise and after inverts the soundwaves to counter it. Simply put, it's like having +1 (noise) and producing -1 (inverted noise) giving zero hence "diluting" the noise.

The Sony LinkBuds S have Active Noise Cancellation enabling you to listen at lower volume levels, causing less ear fatigue as you don't need to crank up the earbuds volume to outcompete background noise. Sony LinkBuds S stay tightly in place, this creates a sound covering that tones down your environment noise 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 the component that makes sound in the device, the unit size corellates with the sound produced by the device. Sony LinkBuds S's lowest frequency is at 20Hz, low-frequency response inidcates how well a particular audio device generates low frequencies that can be heard, 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 indicates how well an audio component makes 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 given by the manufacturer, and with more battery hours, you get to use it for longer and have to charge the device less often. This is given by the vendor, and Sony LinkBuds S's case has a full charge of 14 hours.

A charging case with a longer battery life allows you to recharge your earbuds on the go several times before recharging 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 extended periods.

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

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. 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 provides better results than other codecs at the same bit rate.

Being the highest quality codec that any Bluetooth-supporting Apple product supports, the Sony LinkBuds S will work well with your MacBook.

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 can reach a 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 them The Sony LinkBuds S support in/on-ear detection, the sensors in the earbuds can detect when removed from your ears . When lost in a room, or can't easily find them in your bag, Sony LinkBuds S have a find earbuds feature. The Sony LinkBuds S support fast charging.

Commonly, technologies like Qualcomm’s Quick Charge, are used to reduce the time it takes to fully charge the earbuds. The Sony LinkBuds S have a mute function, they support the option to mute/unmute a conversation directly from the device. The Sony LinkBuds S, so you can easily access the volume control, pause, play, mute, etc whichever features are supported on the device.

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

Carrying earphones without a case, or placing them inside your bag without a cover may easily damage them.