IP ratings refer to the level of protection given by an enclosure, against dust and liquids. The letters 'IP' are followed by two values The first value of the IP rating means protection against solids say dust, followed by the one that refers to protection against liquids (water).

Scoring IP68, the JBL Reflect Aero TWS's rating is read as, the first number of 6 denotes that they are completely dust proof, and of liquids that they are protected against the effects of continuous immersion in water, ingress of water in quantities causing harmful effects shall not be possible. Conditions should be more severe than for numeral 7.. JBL Reflect Aero TWS have a weight of 13g . We take in account a lower weight better because lighter devices are more comfortable to move with.

For a device to be true wireless it must have no cables connecting any part of the device together, JBL Reflect Aero TWS are true wireless for this case since they have no wires. This is a major distinction as some wireless earbuds have cables connecting the two earbuds together. The JBL Reflect Aero TWS come with wingtips, these are commonly used for earbuds for workouts and come as an optional add-on to each silicone ear tip for a better fit.

JBL Reflect Aero TWS have sweat resistance JBL Reflect Aero TWS are both dustproof and water-resistant. JBL Reflect Aero TWS 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 uses more advanced kind of tech to actively counter noise.

ANC works when, it listens to the sound pattern outside and inside the earbud and generates a mirror signal to cancel it out. Simply put, it's like having +1 (sound from your surrounding) and producing -1 (inverted noise) giving zero hence "diluting" the noise.

The JBL Reflect Aero TWS have ANC allowing you to listen at lower levels of volume, good for your ears as you don't have to crank up the device volume to overcome background noise.

The JBL Reflect Aero TWS sit well in place, this creates a sound covering that reduces your environment sounds and also prevents the earbuds voice audio from leaking out at the same. The JBL Reflect Aero TWS have a unit size of 6.8mm in diameter, bigger drivers are more powerful, therefor producing better bass. A driver unit is the component that produces sound in the earbuds, the unit size corellates with the sound made by the earbuds.

JBL Reflect Aero TWS'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 makes any changes to the signal while at it. JBL Reflect Aero TWS's highest frequency is at 20,000Hz, high-frequency response measures if and how well an audio component generates high audible frequencies and if it makes any adjustments to the signal while at it. SPL, is the pressure level of sound, in decibels, dB, JBL Reflect Aero TWS's measurement is 99dB/mW.

Devices with a higher sound pressure level are generally louder when supplied with any given audio source. JBL Reflect Aero TWS's battery life is 8 hours, these last longer than 5 hours of listening which is considered average before recharge. A device's battery life is usually given by the manufacturer, and with longer battery life, you get to use it for longer and have to charge the device less often.

The battery life of the charging case is given by the vendor, and the JBL Reflect Aero TWS's case has a charge of 16 hours. A charging case with more battery hours allows you to recharge your earbuds on the go multiple times before recharging the case itself. It takes 1.5 hours to fully charge the JBL Reflect Aero TWS's battery.

It is highly adivsable to fully charge the battery before using the earbuds for the first time. The JBL Reflect Aero TWS have a battery level indicator, an indicator alerts you when the device has a low battery. The battery indicator lights indicate the charging status of your earbuds and charging case.

JBL Reflect Aero TWS have USB TYPE-C, a standard connector for transmitting both data and power in a single cable. JBL Reflect Aero TWS 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. JBL Reflect Aero TWS have a 10meters distance to connect via Bluetooth.

The JBL Reflect Aero TWS have 6 microphones. JBL Reflect Aero TWS use a noise-canceling microphone, these microphones are made to reduce background sounds from the earbuds' sound. JBL Reflect Aero TWS support ambient sound mode, which uses microphones to channel ambient sound to still be heard even while wearing the earbuds The JBL Reflect Aero TWS support fast charging.

Commonly, technologies like MediaTek’s Pump Express, are used to reduce the time it takes to fully charge the earbuds. The JBL Reflect Aero TWS have a mute function, they have the option to mute/unmute a conversation directly from the device. The JBL Reflect Aero TWS, so you can easily access the volume control, pause, play, mute, etc whichever functions are supported on the earbuds.

The JBL Reflect Aero TWS have voice prompts. Automatically receive information via audio messages, like if there is a problem with the connection. The JBL Reflect Aero TWS come with their own special pouch.

Carrying earphones without a case, or putting them inside your pockets without a casing may easily damage them.