JBL Quantum 800 - Product Specifications; Troubleshooting; No power; 2.4 G pairing failed between headset and 2.4 G USB wireless dongle

Driver size: 50 mm Dynamic drivers
Frequency response (Passive): 20 Hz – 40 kHz
Frequency response (Active): 20 Hz – 20 kHz
Microphone frequency response: 100 Hz -10 kHz
Max input power 30 mW
Sensitivity: 95 dB SPL @1 kHz / 1 mW
Maximum SPL: 93 dB
Microphone sensitivity: -40 dBV @1 kHz / Pa
Impedance: 32 ohm
2.4G Wireless transmitter power: <0 dBm
2.4G Wireless modulation: π/4-DQPSK
2.4G Wireless carrier frequency: 2403.35 MHz – 2479.35 MHz
Bluetooth transmitted power: <9 dBm
Bluetooth transmitted modulation: GFSK, π/4 DQPSK, 8DPSK
Bluetooth frequency: 2.402 GHz – 2.480 GHz
Bluetooth profile version: A2DP 1.3, HFP 1.6
Bluetooth version: V5.0
Battery type: Li-ion battery (3.7 V / 1300 mAh)
Power supply: 5 V 2 A
Charging time: 2 hrs
Music play time with RGB lighting off: 14 hrs
Microphone pickup pattern: Unidirectional
Weight: 410 g
NOTE:
Technical specifications are subject to change without prior notice.
Troubleshooting
If you have problems using this product, check the following points before you request service.
No power
The headset turns off automatically after 10 minutes of inactivity. Power on the headset again.
Recharge the headset (see “Charging your headset”).
2.4G pairing failed between headset and 2.4G USB wireless dongle
Move the headset closer to the dongle. If the issue remains, pair the headset with the dongle
again manually (see “To pair manually”).
Bluetooth pairing failed
Make sure you have enabled Bluetooth feature on the device to be connected with the headset.
Move the device closer to the headset.
The headset is connected to another device through Bluetooth. Disconnect the other device, then
repeat the pairing procedures. (see “With Bluetooth (secondary connection)”).
No sound or poor sound
Make sure you have chosen JBL QUANTUM800 GAME as the default device in the game sound
settings of your PC, Mac or gaming console device.
Adjust volume on your PC, Mac or gaming console device.
Check game chat balance on PC if you are only playing game or chat audio.
Check that ANC is enabled while TalkThru is disabled.
You may experience obvious sound quality degradation when using the headset near a USB 3.0
enabled device. This is not a malfunction. Use an extension USB dock instead to keep the dongle