Ingress protection ratings is the level of protection offered by a casing, against solids and water. In the format of IPXX, 'X' represents a number The first value represents protection against solids such as dust, while the second refers to protection against liquids (water).
Scoring IPX4, the JBL Tune Flex's rating for solids indicates 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. The JBL Tune Flex have a weight of 9.6g . We consider a lower weight better because lighter devices are more comfortable to transport.
For a device to be true wireless it must 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 major difference as some wireless earbuds have cables linking the pair of earbuds .
JBL Tune Flex have sweat resistance
JBL Tune Flex 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. Active noise cancellation uses more advanced technology to reduce ambient sounds.
How it works, it detects and analyzes the sound pattern outside and inside the earbud and inverts the soundwaves to cancel it out. Simply put, it's like having +1 (sound from your surrounding) and adding -1 (inverted noise) to make zero which results in a reduced level of noise.
JBL Tune Flex have Active Noise Cancellation enabling you to listen at lower volume levels, good for your ears since you don't have to crank up the earbuds volume to overcome background noise.
The JBL Tune Flex sit tightly in place, creating an acoustic seal that reduces background noise and also prevents the device music from leaking out .
JBL Tune Flex driver unit is 12mm in diameter, the bigger the unit the more powerful, therefor producing better bass. A driver unit is the component that makes sound in the device, its size dictates the sound made by the device. The JBL Tune Flex's lowest frequency is at 20Hz, low-frequency response inidcates how well an audio component produces 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 measures if and how well a particular audio device generates high human frequencies and if it makes any adjustments to the signal while at it. SPL, is the level of pressure of sound, measured 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.
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 longer battery life, you get to use it for longer and requires fewer chargings. This is given by the manufacturer, and the JBL Tune Flex's case is said to have a full charge of 24 hours.
A charging case with a longer battery life enables you to recharge your earbuds on the go multiple times before recharging the case itself. It takes 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 unused for long periods.
JBL Tune Flex have a battery level indicator, an indicator notifies you when the device has a low battery. The battery indicator lights show the charging status of your earbuds and charging case. The JBL Tune Flex support USB TYPE-C, an industry-standard connector for transmitting both data and power through a single cable.
JBL Tune Flex have Bluetooth version of 5.2, Bluetooth is a wireless technology standard that enables data transfers between devices placed in range, using short-wavelength, ultra-high frequency radio waves. JBL Tune Flex have a 10meters distance to connect 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 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 MacBook.
If you intend on using these with Android , ensure that they also support aptX HD, LDAC, or LHDC as well. JBL Tune Flex have 4 microphones. JBL Tune Flex use a noise-canceling microphone, these microphones are designed to filter out noise from the desired sound.
JBL Tune Flex microphone sensitivity is measured at -38dBV/Pa. The size 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 voice that the earbud microphone can recognize.
JBL Tune Flex support ambient sound mode, which uses microphones to pass through ambient sound so that they can still be heard even while wearing the earbuds
If misplaced 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 Qualcomm’s Quick Charge, are used to lower the time it takes to fully charge the earbuds.
The JBL Tune Flex support multipoint of 2 connections, this feature allows you to link to more than one Bluetooth device and switch between them. For example, you can switch calls from one device to another without manually disconnect and reconnect. The 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 features are supported on the device. JBL Tune Flex support voice prompts. With voice prompts, you receive information through audio messages, say if there is an issue with the connection.
JBL Tune Flex come with their own special pouch. Carrying earbuds without a case, or placing them inside your pockets without a cover may easily damage them.
