Ingress protection ratings refer to the rank of protection given by a casing, against solids and water. In the format of IPXX, 'X' represents a number The first value means protection against solids say dust, followed by the one that refers to resistance against liquids (sweat).

Having a value of IPX5, the JBL Live Free 2's rating is read as, the first value of X denotes that no data available to specify a protection rating, and of liquids that they can withstand medium pressure jet that's 6.3mm diameter, similar to garden hose from any angle for 3 minutes at a distance of 2.5 to 3 metres. The JBL Live Free 2 have a weight of 9.8g . We consider a lower weight best because lighter devices are more comfortable to carry.

True wireless devices have no cables connecting any part of the device together, JBL Live Free 2 are true wireless for this case since they have no cables. This is a major distinction as some wireless earbuds have wires linking the pair of earbuds . JBL Live Free 2 are resistant to sweat JBL Live Free 2 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 more advanced kind of tech to reduce unwanted ambient sounds.

ANC works when, it listens to the sound pattern of incoming noise and generates a mirror signal to counter it. In simple terms, it's like taking +1 (sound from your surrounding) then producing -1 (inverted noise) to make zero hence "diluting" the noise.

JBL Live Free 2 have ANC allowing you to listen at lower volume levels, good for your ears as you don't need to crank up the earbuds volume to overcome background sounds.

JBL Live Free 2 stay tightly in place, creating a sound covering that tones down background sounds and also prevents the device sound from leaking out at the same. The JBL Live Free 2 have a unit size of 11mm in diameter, the bigger the unit the more powerful, and can produce better bass. A driver unit is the component that makes sound in the earbuds, the unit size corellates with the loudness of the device.

The JBL Live Free 2's lowest frequency is at 20Hz, low-frequency response inidcates how well a particular audio component produces low frequencies that can be heard, and if it alters the signal on its way through. The JBL Live Free 2's highest frequency is at 20,000Hz, high-frequency response shows how well a particular audio device generates high human frequencies and if it makes any changes to the signal on its way through. The sound pressure level, is the level of pressure of sound, measured in decibels, dB, JBL Live Free 2's measurement is 102dB/mW.

Devices with a higher sound pressure level are generally louder when supplied with any given audio source. JBL Live Free 2's battery life is 7 hours, these last longer than 5 hours of listening which is considered average for a single charge. A device's battery life is commonly given by the manufacturer, and with longer battery life, you get to use it for longer and requires fewer chargings.

This is given by the vendor, and the JBL Live Free 2's case has a charge of 28 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. The JBL Live Free 2 have a battery level indicator, an indicator alerts you when the earbuds has a low battery.

The battery indicator lights show the charging status of your earbuds and charging case. JBL Live Free 2 support USB TYPE-C, an industry-standard connector for transmitting both data and power through a single cable. The JBL Live Free 2 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 Live Free 2 have a 10meters distance connecting via Bluetooth. The JBL Live Free 2 have 6 microphones. The JBL Live Free 2 use a noise-canceling type of microphone, these microphones are made to reduce background sounds from the desired sound.

The JBL Live Free 2 support ambient sound mode, which uses microphones to channel ambient sound to still be heard even when wearing the earbuds The JBL Live Free 2 support fast charging. Most often, technologies like Qualcomm’s Quick Charge, are used to reduce the amount of time it takes to fully charge a device. The JBL Live Free 2 have a multipoint of 2 connections, this feature allows you to link to more than one Bluetooth device and switch between them.

Say, you can seemlessly switch calls from one device to another without manually disconnect and reconnect. The JBL Live Free 2 have a mute function, they have the option to mute/unmute a conversation directly from the device. The JBL Live Free 2, so you can easily access the volume control, pause, play, mute, etc whichever features are supported on the device.

JBL Live Free 2 have voice prompts. Automatically receive information through audio messages, like if there is an issue with the connection. JBL Live Free 2 come with their own special case.

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