Ingress protection ratings is the rating of protection offered by an enclosure, against dust and liquids. The letters 'IP' are followed by two values The first value refers to protection against solids such as dust, while the second refers to protection against liquids (sweat).
Scoring IPX4, the JBL Tune Flex'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 low pressure spray similar to that of a shower head when tilted at 180° for 10 minutes. The JBL Tune Flex have a weight of 9.6g . We take in account a lower weight better for the reason that lighter devices are more comfortable to carry.
For a device to be true wireless it must have no wires connecting any part of the device together, JBL Tune Flex are true wireless for this matter since they have no wires. This is a major difference since wireless earbuds have wires linking the 2 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. Active noise cancellation makes use of advanced technology to reduce unwanted ambient sounds.
ANC works when, it detects and analyzes the sound pattern of incoming noise and then inverts the soundwaves to counter it. In simple terms, it's like taking +1 (noise) then adding -1 (counter sound by the device) giving 0 thus "diluting" the noise.
JBL Tune Flex have ANC allowing you to listen at lower levels of volume, good for your ears as you don't need to crank up the earbuds volume to overcome background sounds.
The JBL Tune Flex stay tightly in place, creating an acoustic covering that tones down background sounds and also prevents the earbuds voice audio from leaking out .
JBL Tune Flex driver unit is 12mm in diameter, bigger drivers are more powerful, and can produce better bass. The driver unit is basically a mini speaker that makes sound in the device, its size dictates the sound made by the earbuds. JBL Tune Flex's lowest frequency is at 20Hz, low-frequency response measures if and how well an audio device 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 measures if and how well an audio component makes high recognizable frequencies and if it makes any adjustments 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 for a single charge. A device's battery life is given by the manufacturer, and with more battery hours, you get to use it for longer and requires fewer chargings. This is given by the vendor, and the JBL Tune Flex's case is said to have a charge of 24 hours.
A charging case with a longer battery life allows you to recharge your earbuds on the go multiple times before having to recharge the case itself. It takes 2 hours to fully charge the JBL Tune Flex's battery. It is highly adivsable to fully charge the battery before using the earbuds for the first time.
JBL Tune Flex have a battery level indicator, an indicator alerts you when the earbuds has a low battery. The battery indicator lights show the charging status of your earbuds and case. JBL Tune Flex support 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. JBL Tune Flex have a 10meters distance connecting via Bluetooth. JBL Tune Flex support AAC, a codec used for Bluetooth audio.
It supports 24-bit audio at 250kbps. Because it uses psychoacoustic modeling, it provides better results than other codecs at the same bit rate.
Being 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 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. JBL Tune Flex have a noise-canceling type of microphone, these microphones are intended to reduce noise from the earbuds' 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 microphone can recognize.
JBL Tune Flex support ambient sound mode, which uses microphones to pass through ambient noises to still be heard even when wearing them
When lost in a room, or can't easily find them in your bag, JBL Tune Flex support the find earbuds feature. JBL Tune Flex support fast charging. Commonly, technologies like Qualcomm’s Quick Charge, are used to reduce the time it takes to fully charge a device.
The JBL Tune Flex have a multipoint of 2 connections, this feature allows you to link 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 option to mute/unmute a conversation directly from the device.
With 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 have voice prompts. Automatically receive information via audio messages, say if there is an issue with the connection.
The JBL Tune Flex come with their own special pouch. Carrying earbuds without a case, or putting them inside your bag without a casing can easily put them at risk of getting damaged.
