IP ratings refer to the rank of protection offered by a casing, against solids and liquids. In the format of IPXX, 'X' represents a number The first value of the IP rating refers to 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 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 move with.

True wireless devices 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 cables. This is a key difference as some wireless earbuds have cables linking the pair of earbuds together. JBL Live Free 2 have sweat resistance 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 advanced kind of tech to reduce ambient sounds. ANC works when, it studies the sound pattern outside and inside the earbud and then generates a mirror signal to cancel it out. Simply put, it's like having +1 (noise) and adding -1 (counter sound by the device) to make zero which results in a reduced level of 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 device volume to outcompete background noise. JBL Live Free 2 stay well in place, this creates a sound covering that reduces background noise while preventing the earbuds music from leaking out at the same. 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 produces sound in the earbuds, its size dictates 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 component generates low frequencies that can be heard, and if it makes any changes to the signal on its way through. JBL Live Free 2's highest frequency is at 20,000Hz, high-frequency response measures if and how well an audio device makes high recognizable frequencies and if it makes any changes to the signal on its way through.

SPL, is the level of pressure of sound, 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 before recharge.

A device's battery life is given by the manufacturer, and with longer battery life, you get to use it for longer and requires fewer chargings. The battery life of the charging case is given by the vendor, and the JBL Live Free 2's case is said to have a charge of 28 hours. A charging case with a longer battery life enables you to recharge your earbuds on the go several times before having to recharge the case itself.

The JBL Live Free 2 have a battery level indicator, an indicator notifies you when the earbuds has a low battery. The battery indicator lights indicate the charging state of your device and charging case. The JBL Live Free 2 use 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 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.

JBL Live Free 2 use a noise-canceling type of microphone, these microphones are intended to reduce background sounds from the desired sound. JBL Live Free 2 support ambient sound mode, which uses microphones to pass through ambient noises to still be heard even when wearing them The JBL Live Free 2 support fast charging. Commonly, technologies like MediaTek’s Pump Express, are used to reduce the time it takes to charge a device.

The JBL Live Free 2 support multipoint of 2 connections, this feature allows you connect to more than one Bluetooth device and switch between them. For example, 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 support 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 via audio messages, say if there is a problem with the connection.

JBL Live Free 2 come with a special pouch. Carrying earphones without a case, or putting them inside your bag without a cover can easily damage them.