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 represents protection against solids such as dust, followed by the one that refers to protection against liquids (sweat).

Having a value of IP68, the JBL Reflect Aero TWS's rating for solids indicates 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.. The JBL Reflect Aero TWS have a weight of 13g . We consider a lower weight best because lighter devices are more comfortable to carry.

True wireless devices have no wires linking 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 wires connecting the two earbuds together. The JBL Reflect Aero TWS come with wingtips, these are reserved for earbuds for workouts and come as an optional add-on to the separate silicone ear tip for a more secure 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, what this means is that JBL Reflect Aero TWS'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 uses more advanced technology to reduce ambient sounds.

How it works, it studies the sound pattern of incoming noise and after generates a mirror signal to cancel it out. Simply put, it's like having +1 (noise) then producing -1 (inverted noise) giving 0 thus "diluting" the noise.

The JBL Reflect Aero TWS have ANC enabling you to listen at lower volume levels, good for your ears as you don't have to crank up the earbuds volume to outcompete background sounds.

JBL Reflect Aero TWS stay tightly in place, this creates an acoustic seal that tones down background noise while preventing the device 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, and can produce better bass. The driver unit is basically a mini speaker that produces sound in the device, the unit size dictates the sound made by the earbuds.

The JBL Reflect Aero TWS's lowest frequency is at 20Hz, low-frequency response measures if and how well an audio device produces low recognizable frequencies and if it makes any changes to the signal on its way through. The JBL Reflect Aero TWS's highest frequency is at 20,000Hz, high-frequency response measures if and how well a particular audio device generates high human frequencies and if it changes to the signal on its way through. The sound pressure level, is the pressure level of sound, measured 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 manufacturer, and the JBL Reflect Aero TWS's case has a full charge of 16 hours. A charging case with more battery hours allows you to recharge your earbuds on the go multiple times before having to recharge the case itself. It takes 1.5 hours to fully charge the JBL Reflect Aero TWS's battery.

It is recommended 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 notifies you when the earbuds has a low battery. Its lights show the charging status of your earbuds and charging case.

JBL Reflect Aero TWS use USB TYPE-C, a standard connector for transmitting both data and power through a single cable. The JBL Reflect Aero TWS have Bluetooth version of 5.2, Bluetooth is a wireless technology standard that allows data transfers between devices placed in close proximity, using short-wavelength, ultra-high frequency radio waves. The JBL Reflect Aero TWS have a 10meters distance connecting via Bluetooth.

The JBL Reflect Aero TWS have 6 microphones. The JBL Reflect Aero TWS use a noise-canceling type of microphone, these microphones are intended to filter out background sounds from the desired sound. JBL Reflect Aero TWS support ambient sound mode, which uses microphones to pass through ambient sound so that they can still be heard even when wearing them JBL Reflect Aero TWS support fast charging.

Most often, technologies like MediaTek’s Pump Express, are used to reduce the amount of time it takes to charge the earbuds. The JBL Reflect Aero TWS have a mute function, they have the feature to mute/unmute a conversation directly from the earbuds. With 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 through audio messages, say if there is an issue with the connection. JBL Reflect Aero TWS come with their own special pouch.

Carrying earphones openly, or placing them inside your pockets without a cover may easily damage them.