JBL TUNE 750BTNC
A vibrant red pair of JBL TUNE 750BTNC over-ear wireless headphones, featuring the JBL logo on the earcups.
A sleek black pair of JBL TUNE 750BTNC over-ear wireless headphones, showcasing the JBL logo on the earcups.
Contents
WHAT'S IN THE BOX
Diagram illustrating the contents of the JBL TUNE 750BTNC package: one pair of over-ear headphones, one detachable audio cable, one USB-A to USB-C charging cable, and documentation (quick start guide/warranty card).
POWER ON AND CONNECT
Diagram showing the power-on and automatic pairing process. The headphones are shown with the power button highlighted. A smartphone screen displays Bluetooth settings with "JBL TUNE750BTNC" listed as an available device, indicating a connection.
To power on the headphones, press and hold the power button for 2 seconds. The headphones will automatically enter pairing mode. On your device, navigate to Bluetooth settings and select "JBL TUNE750BTNC" to connect.
MANUAL PAIRING
Diagram illustrating manual pairing. The headphones are shown with the power button highlighted, indicating a longer press. A smartphone screen displays Bluetooth settings with "JBL TUNE750BTNC" listed as an available device, indicating a connection.
To manually enter pairing mode, press and hold the power button for more than 2 seconds. On your device, navigate to Bluetooth settings and select "JBL TUNE750BTNC" to connect.
WIRED LISTENING
Diagram showing the JBL TUNE 750BTNC headphones connected via an audio cable to various devices: a smartphone, a tablet, and a laptop, illustrating wired playback.
The JBL TUNE 750BTNC headphones can be used in wired mode by connecting the included audio cable to the headphone's audio jack and your device's audio output.
MULTI-POINT CONNECTION
Diagram illustrating multi-point connection. The headphones are shown entering pairing mode for a second device. A smartphone and a laptop are depicted, both connected via Bluetooth to the headphones.
To switch music source, pause the music on the current device and select play on the second device.
Phone calls will always take priority.
If one device goes out of Bluetooth range or powers off, you may need to manually reconnect the remaining device.
To disconnect multi-point, select "FORGET THIS DEVICE" on your Bluetooth devices.
CHARGING
Diagram showing the JBL TUNE 750BTNC headphones being charged via a USB cable. The charging port on the headphones is highlighted, and a USB cable is shown connected to a power source (not explicitly shown, but implied by the cable).
Connect the USB charging cable to the headphones' charging port and a power source to charge the device.
LED BEHAVIORS
Diagram illustrating various LED indicator behaviors on the JBL TUNE 750BTNC headphones.
| LED Indicator | Behavior | Meaning |
|---|---|---|
| Red LED | Solid | Low Battery |
| Red LED | Pulsing | Charging |
| White LED | Solid | Fully Charged |
| Blue LED | Flashing | Bluetooth Connecting |
| Blue LED | Solid | Bluetooth Connected |
| White LED | Solid | ANC On |
TECH SPEC
| SENSITIVITY PASSIVE MODE | 95 dB SPL/1 mW |
| SENSITIVITY ACTIVE MODE | 100 dB SPL/ 1mW |
| TRANSDUCER IMPEDANCE | 32 ohm |
| MAX INPUT POWER (WIRED) | 40 mW |
| TRANSMIT SENSITIVITY | -15 dBV/PA |
| BLUETOOTH TRANSMITTED POWER | <5 dBM |
| BLUETOOTH TRANSMITTED MODULATION | GFSK, π/4 DQPSK, 8DPSK |
| BLUETOOTH FREQUENCY | 2.402 GHz- 2.480GHz |
| BLUETOOTH PROFILE VERSION | A2DP 1.2, AVRCP 1.5, HFP 1.6, HSP 1.2 |
| BLUETOOTH VERSION | 4.2 |
| HEADSET BATTERY TYPE | POLYMER LI-ION BATTERY {610 mAh/3.7V} |
| POWER SUPPLY | 5V - 1A |
| CHARGING TIME | < 2HRS FROM EMPTY |
| MUSIC PLAY TIME WITH BT ON AND ANC ON | 15 HRS |
| MUSIC PLAY TIME WITH BT ON AND ANC OFF | 22 HRS |
| MUSIC PLAY TIME WITH BT OFF AND ANC ON | 30 HRS |
| WEIGHT | 220 g |
| DRIVER SIZE | 40mm DYNAMIC DRIVER |
| FREQUENCY RANGE | 20-Hz 2KHz |
