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

Having a value of IPX5, the JBL Live Free 2's rating for solids indicates that no data available to specify a protection rating, and the second number of 5 means 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 better for the reason that lighter devices are easier to transport.

True wireless devices have no wires connecting any part of the device together, JBL Live Free 2 are true wireless for this case since they have no cables. This is an important difference as some wireless earbuds have cables connecting the 2 earbuds . JBL Live Free 2 are resistant to sweat JBL Live Free 2 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. ANC utilises more advanced technology to reduce ambient sounds.

ANC works when, it listens to the sound pattern of incoming noise and after generates a mirror signal to cancel it out. In simple terms, it's like taking +1 (noise) and producing -1 (inverted noise) to make 0 hence "diluting" the noise.

The JBL Live Free 2 have Active Noise Cancellation enabling 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 sounds.

JBL Live Free 2 sit well in place, creating an acoustic covering that tones down background sounds and also prevents the device voice audio from leaking out at the same. The JBL Live Free 2 driver unit is 11mm in diameter, bigger drivers are more powerful, and can produce better bass. A driver unit is the component that makes sound in the earbuds, the unit size determines the sound made by the device.

JBL Live Free 2's lowest frequency is at 20Hz, low-frequency response measures if and how well an audio device generates low frequencies that can be heard, and if it alters the signal while at it. JBL Live Free 2's highest frequency is at 20,000Hz, high-frequency response shows how well a particular audio device produces high audible frequencies and if it makes any adjustments to the signal on its way through. SPL, 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. 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 commonly given by the manufacturer, and with more battery hours, 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 JBL Live Free 2's case has a charge of 28 hours. A charging case with a longer battery life enables you to recharge your earbuds on the go many times before having to recharge the case itself. The 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 earbuds and charging case. JBL Live Free 2 support USB TYPE-C, a standard connector for transmitting both data and power through a single cable. JBL Live Free 2 have Bluetooth version of 5.2, Bluetooth is a wireless technology standard that enables 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 intended to reduce noise from the desired sound.

JBL Live Free 2 support ambient sound mode, which uses microphones to channel ambient noises so that they can still be heard even while wearing them The JBL Live Free 2 support fast charging. Commonly, technologies like Qualcomm’s Quick Charge, are used to lower the amount of time it takes to fully charge the earbuds. JBL Live Free 2 support multipoint of 2 connections, the multipoint feature allows you connect to more than one Bluetooth device and switch between them.

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

The JBL Live Free 2 support voice prompts. With voice prompts, you receive information through audio messages, like if there is a problem 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 cover may easily damage them.