Ingress protection ratings refer to the level of protection offered by an enclosure, against dust and water. The letters 'IP' are followed by two values The first value represents protection against solids such as dust, while the second refers to resistance against liquids (water).
Scoring 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 the second value of 4 means 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 take in account a lower weight best because lighter devices are easier to carry.
For a device to be true wireless it should have no cables linking any part of the device together, JBL Tune Flex are true wireless for this case since they have no cables. This is a key difference since wireless earbuds have cables linking the 2 earbuds .
JBL Tune Flex are resistant to sweat
JBL Tune Flex have stereo speakers, devices with stereo speakers deliver sound from independent channels on both left and right sides, this creates a richer sound and a better listening experience. ANC utilises advanced technology to reduce ambient sounds.
How it works, it listens to the sound pattern outside and inside the earbud and after generates a mirror signal to counter it. Simply put, it's like having +1 (sound from your surrounding) and producing -1 (inverted noise) giving zero hence "diluting" the noise.
JBL Tune Flex have ANC enabling you to listen at lower volume levels, good for your ears as you don't need to crank up the device volume to outcompete background sounds.
The JBL Tune Flex sit well in place, creating a sound seal that tones down your environment noise well as preventing the device sound from leaking out .
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 earbuds, its size corellates with the sound made by the device. The JBL Tune Flex's lowest frequency is at 20Hz, low-frequency response inidcates how well an audio device generates low audible frequencies and if it makes any changes to the signal while at it.
The JBL Tune Flex's highest frequency is at 20,000Hz, high-frequency response tells how well an audio component produces high audible frequencies and if it adjustments to the signal on its way through. The sound pressure level, is the pressure level 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 requires fewer chargings. The battery life of the charging case is given by the vendor, and JBL Tune Flex's case is said to have a charge of 24 hours.
A charging case with more battery hours enables you to recharge your earbuds on the go many times before recharging the case itself. It requires 2 hours to fully charge the JBL Tune Flex's battery. It is recommended to charge fully the battery before using the earbuds when they have been in storage for long periods.
The JBL Tune Flex have a battery level indicator, an indicator alerts you when the device has a low battery. The battery indicator lights show the charging state of your earbuds and case. The JBL Tune Flex have USB TYPE-C, an industry-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 range, 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 fine with your iPhone.
If you intend on using these with Android you need to pay even closer attention to codec support for if they only have AAC they won't provide the best audio quality possible, ensure that they also support aptX HD, LDAC, or LHDC as well. The JBL Tune Flex have 4 microphones. The JBL Tune Flex have a noise-canceling microphone, these microphones are intended to reduce noise from the desired sound.
The JBL Tune Flex microphone sensitivity is measured at -38dBV/Pa. The vastness 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.
The JBL Tune Flex support ambient sound mode, which uses microphones to channel ambient noises so that they can still be heard even when wearing the earbuds
If lost in a room, or can't easily find them in your bag, JBL Tune Flex have a find earbuds feature. JBL Tune Flex support fast charging. Most often, technologies like Qualcomm’s Quick Charge, are used to lower the time it takes to fully charge a device.
The JBL Tune Flex have a multipoint of 2 connections, the multipoint feature allows you connect 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. JBL Tune Flex have a mute function, they have the feature to mute/unmute a conversation directly from the device.
The JBL Tune Flex, so you can access the volume control, pause, play, mute, etc whichever functions are supported on the device. The JBL Tune Flex support voice prompts. Automatically receive information through audio messages, say if there is a problem with the connection.
JBL Tune Flex come with a special pouch. Carrying earbuds without a case, or putting them inside your pockets without a casing may easily put them at risk of getting damaged.
