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In Bluetooth connection:

• The volume control on the earbuds (customizable on the JBL Headphones app)

does not work for the Bluetooth connected device. This is not a malfunction.

• Keep away from sources of radio interference such as microwaves or wireless

routers.

UNABLE TO RECHARGE MY EARBUDS

• Recharge the charging case.

• Clean the charging pins on the earbuds and in the charging case (see “Cleaning

the product”).

My voice cannot be heard by my teammates

• Make sure you have chosen JBL Quantum TWS as the default device in the chat

sound settings of your PC, Mac or gaming console device.

• Make sure the microphone is not muted.

I can’t hear myself when I’m talking

• When using with a PC, enable sidetone via to hear

yourself clearly over game audio.

• When using with a mobile phone, adjust sidetone via the JBL Headphones app

(see “Sidetone”).

No response or malfunction of the earbuds

• Restore factory settings (see “Factory reset”).

• Put the earbuds back into the charging case and close the lid. Wait for 10 seconds

to ﬁnish hardware reboot before opening the lid to power on the earbuds again.

My earbuds fall off easily

• Try a pair of silicone ear tips that best ﬁts your ear size. Adjust the earbud positions

in your ears for the best ﬁt (see “How to wear”).

Questions and Answers:

Need help?

Do you have a question about the JBL Quantum TWS and is the answer not in the manual?

JBL Quantum TWS Specifications

General

Product type	Headphones
Product color	Black
Wearing style	In-ear
LED indicators	Yes
Volume control	Touch
Control unit type	On-ear control unit
Recommended usage	Gaming
Sound pressure level (max)	93 dB
International Protection (IP) code	IPX4
Frequency band	2.4 - 2.4835 GHz
Bluetooth version	5.2
Bluetooth profiles	A2DP, AVRCP, HFP
Connectivity technology	True Wireless Stereo (TWS)
Microphone type	Built-in
Microphone sensitivity	-38 dB
Base station USB connector	USB Type-C
Battery type	Built-in battery
Charging source	USB
Battery capacity	51 mAh
Fast charging time	15 min
Talk time (ANC on)	5 h
Talk time (ANC off)	8 h
Battery recharge time	2 h
Input voltage (earpieces)	3.85 V
Input voltage (charging case)	3.7 V
Battery capacity (charging case)	340 mAh
Battery technology (charging case)	Lithium Polymer (LiPo)
Continuous audio playback time (with ANC)	6 h
Continuous audio playback time (with charging case)	16 h
Package type	Box
Quantity	1
Cables included	USB Type-A to USB Type-C
Charging case type	Wired
Battery life	960 min