Overall Score 7.5 Represents average audio ecosystem compatibility score.
IP ratings is the rating of protection given by an enclosure, against solids and water. The letters 'IP' are followed by two values The first value represents protection against solids such as dust, followed by the one that refers to protection against liquids (sweat).
Having a value of IPX4, the JBL Tune Flex'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 low pressure spray similar to that of a shower head when tilted at 180° for 10 minutes. JBL Tune Flex have a weight of 9.6g . We prefer a lower weight best for the reason that lighter devices are more comfortable to transport.
For a device to be true wireless it should have no wires connecting any part of the device together, JBL Tune Flex are true wireless for this case since they don't have wires. This is an important distinction since wireless earbuds have wires connecting the two earbuds . JBL Tune Flex have sweat resistance JBL Tune Flex have stereo speakers, what this means is that JBL Tune Flex's speakers deliver sound from separate channels on both left and right sides, this creates a richer sound and a better listening experience. ANC uses more advanced technology to actively cancel noise.
How it works, it listens to the sound pattern of incoming noise and inverts the soundwaves to cancel it out. In simple terms, it's like taking +1 (sound from your surrounding) then adding -1 (counter sound by the device) giving zero which results in a reduced level of noise.
JBL Tune Flex have Active Noise Cancellation enabling you to listen at lower levels of volume, causing less ear fatigue since you don't need to crank up the device volume to overcome background sounds.
JBL Tune Flex stay tightly in place, this creates an acoustic seal that tones down your environment noise and also prevents the earbuds sound from leaking out . The JBL Tune Flex driver unit is 12mm 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 device, the unit size dictates the sound made by the device. The JBL Tune Flex's lowest frequency is at 20Hz, low-frequency response inidcates how well a particular audio component generates low recognizable frequencies and if it makes any changes to the signal on its way through.
JBL Tune Flex's highest frequency is at 20,000Hz, high-frequency response tells how well an audio component makes high audible 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, in decibels, dB, JBL Tune Flex's measurement is 108dB/mW. Devices with a higher sound pressure level are generally louder when supplied with any given audio source.
The JBL Tune Flex'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 more battery hours, you get to use it for longer and have to charge the device less often. This is given by the vendor, and the JBL Tune Flex's case has a charge of 24 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. It takes 2 hours to fully charge the JBL Tune Flex's battery. It is recommended to fully charge the battery before using the earbuds for the first time.
JBL Tune Flex have a battery level indicator, an indicator shows you when the device has a low battery. The battery indicator lights indicate the charging status of your earbuds and case. The JBL Tune Flex use USB TYPE-C, a standard connector for transmitting both data and power in a single cable.
The JBL Tune Flex have Bluetooth version of 5.2, Bluetooth is a wireless technology standard that enables data movement between devices placed in close proximity, using short-wavelength, ultra-high frequency radio waves. The JBL Tune Flex have a 10meters distance to connect via Bluetooth. JBL Tune Flex support AAC, a codec that is used for Bluetooth audio.
It supports 24-bit audio at 250kbps. Since it uses psychoacoustic modeling, it can provide better results than other codecs at a similar bit rate.
Since its the highest quality codec that any Bluetooth-supporting Apple product supports, the JBL Tune Flex will work well with your iPhone.
If you intend on using these with Android , ensure that they also support aptX HD, LDAC, or LHDC as well. The JBL Tune Flex have 4 microphones. The JBL Tune Flex use a noise-canceling microphone, these microphones are intended to reduce background sounds from the earbuds' sound.
JBL Tune Flex microphone sensitivity is measured at -38dBV/Pa. The extent of the analog or digital output signal from the microphone with its input stimulus is a measure of its sensitivity. It's the 'loudness' of the sound that the earbud microphone can pick up.
JBL Tune Flex support ambient sound mode, which uses microphones to channel ambient sound to still be heard even when wearing the earbuds When lost in a room, or can't easily find them in your bag, JBL Tune Flex have a find earbuds feature. The JBL Tune Flex support fast charging. Usually, technologies like MediaTek’s Pump Express, are used to lower the amount of time it takes to charge the earbuds.
JBL Tune Flex support multipoint of 2 connections, this feature allows you connect to more than one Bluetooth device and switch between them. Say, you can switch calls from one device to another without having to manually disconnect and reconnect. The JBL Tune Flex have a mute function, they have the feature to mute/unmute a conversation directly from the earbuds.
The JBL Tune Flex, so you can access the volume control, pause, play, mute, etc whichever functions are supported on the earbuds. JBL Tune Flex have voice prompts. With voice prompts, you receive information through audio messages, say if there is a problem with the connection.
JBL Tune Flex come with a special pouch. Carrying earbuds openly, or putting them inside your bag without a casing can easily damage them.