Ingress protection ratings refer to the rank of protection offered by a casing, against dust and water. In the format of IPXX, 'X' represents a number The first value refers to protection against solids such as dust, while the second refers to resistance 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. JBL Tune Flex have a weight of 9.6g . We consider a lower weight better because lighter devices are easier to carry.
True wireless devices have no cables linking any part of the device together, JBL Tune Flex are true wireless for this matter since they don't have wires. This is an important difference as some wireless earbuds have cables linking the 2 earbuds together. JBL Tune Flex are resistant to sweat
JBL Tune Flex have stereo speakers, what this means is that JBL Tune Flex's speakers deliver sound from independent channels on both left and right sides, creating a richer sound and a better listening experience.
ANC uses advanced technology to reduce unwanted ambient sounds. How it works, it detects and analyzes the sound pattern of incoming noise and then inverts the soundwaves to cancel it out. Simply put, it's like having +1 (sound from your surrounding) then producing -1 (inverted noise) to make zero resulting in a reduced level of noise.
The JBL Tune Flex have ANC allowing you to listen at lower levels of volume, good for your ears since you don't have to crank up the earbuds volume to outcompete background sounds. The JBL Tune Flex sit well in place, creating a sound covering that tones down your environment sounds while preventing the earbuds sound from leaking out .
JBL Tune Flex have a unit size of 12mm in diameter, bigger drivers are more powerful, therefor producing better bass. The driver unit is the component that produces sound in the earbuds, its size determines the loudness of the device.
JBL Tune Flex's lowest frequency is at 20Hz, low-frequency response measures if and how well an audio device generates low frequencies that can be heard, 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 shows how well a particular audio component produces high recognizable 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, 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 for a single charge. A device's battery life is commonly given by the manufacturer, and with longer battery life, you get to use it for longer and have to charge the device less often.
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 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 when they have been unused for long periods. The 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 state of your device and charging case.
The JBL Tune Flex support USB TYPE-C, a standard connector for transmitting both data and power in 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. 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 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 iPad. 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 use a noise-canceling microphone, these microphones are designed to filter out background sounds from the earbuds' sound. JBL Tune Flex microphone sensitivity is measured at -38dBV/Pa. The magnitude of the analog or digital output signal from the microphone with its input stimulus is a calculation of its sensitivity.
It's the 'loudness' of the voice that the microphone can recognize. 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 support the find earbuds feature. The JBL Tune Flex support fast charging.
Most often, technologies like MediaTek’s Pump Express, are used to lower the amount of time it takes to fully charge a device. The JBL Tune Flex have a multipoint of 2 connections, the multipoint feature allows you to link 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.
JBL Tune Flex have a mute function, they have the feature 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 features 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. The JBL Tune Flex come with a special pouch. Carrying earphones openly, or putting them inside your bag without a casing may easily damage them.
