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

Scoring IPX5, the JBL Live Free 2'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 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 prefer a lower weight better for the reason that lighter devices are easier to move with.

For a device to be true wireless it should have no cables linking any part of the device together, JBL Live Free 2 are true wireless for this case since they don't have wires. This is an important distinction as some wireless earbuds have wires connecting the two earbuds together. JBL Live Free 2 are resistant to sweat JBL Live Free 2 have stereo speakers, what this means is that JBL Live Free 2's speakers deliver sound from independent channels on both left and right sides, this creates a richer sound and a better listening experience.

Active noise cancellation uses advanced kind of tech to actively counter noise. How it works, it studies 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 (counter sound by the device) giving 0 hence "diluting" the noise.

JBL Live Free 2 have ANC enabling you to listen at lower levels of volume, good for your ears since you don't need to crank up the earbuds volume to outcompete background noise. The JBL Live Free 2 sit well in place, this creates an acoustic covering that tones down background sounds while preventing the earbuds sound from leaking out at the same. JBL Live Free 2 driver unit is 11mm 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, its size determines the loudness of the earbuds. JBL Live Free 2's lowest frequency is at 20Hz, low-frequency response measures if and how well a particular audio device produces low audible frequencies 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 tells how well an audio device makes high audible frequencies and if it makes any adjustments to the signal on its way through.

SPL, is the pressure level 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. The 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 given by the manufacturer, and with longer battery life, you get to use it for longer and have to charge the device less often. This is given by the manufacturer, and the JBL Live Free 2's case has a full charge of 28 hours. A charging case with more battery hours enables you to recharge your earbuds on the go many times before recharging the case itself.

JBL Live Free 2 have a battery level indicator, an indicator alerts you when the device has a low battery. The battery indicator lights show the charging status of your device and charging case. JBL Live Free 2 have USB TYPE-C, an industry-standard connector for transmitting both data and power in a single cable.

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 to connect via Bluetooth. JBL Live Free 2 have 6 microphones.

The JBL Live Free 2 use a noise-canceling type of microphone, these microphones are made to filter out background sounds from the earbuds' sound. JBL Live Free 2 support ambient sound mode, which uses microphones to channel ambient noises to still be heard even while wearing them 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, the multipoint feature allows you connect to more than one Bluetooth device and switch between them. For example, you can easily switch calls from one device to another without having to manually disconnect and reconnect. The JBL Live Free 2 have a mute function, they support the option to mute/unmute a conversation directly from the device.

With the JBL Live Free 2, so you can access the volume control, pause, play, mute, etc whichever functions are supported on the earbuds. The 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 a special case. Carrying earphones without a case, or placing them in your bag without a cover may easily damage them.