Features and Benefits 
Adaptive Noise Cancelling with Smart Ambient 
Adaptive Noise Cancelling means zero distractions when it’s time to focus 
on your studies—or get your groove on. And if you want to hear the world 
around you without removing your headphones, Ambient Aware and TalkThru 
sharpen the sounds of your surroundings or voices. Easily activate these 
Ambient Sound Control modes through the JBL Headphones app. 
Bluetooth 5.3 with LE Audio (*) 
Wirelessly stream high-quality JBL Pure Bass Sound from your smartphone 
with the help of the latest Bluetooth technology. Optimize the Bluetooth 
performance with the Smart Audio & Video feature in the JBL Headphones app 
by selecting the Audio (for the best sound quality) or the Video (for an optimal 
gaming and video output) modes. 
JBL Pure Bass Sound 
JBL Tune 770NC headphones feature renowned JBL Pure Bass sound—the 
same that powers the most famous music venues all around the world. 
Customize your listening experience 
Download the free JBL Headphones App to tailor the sound to your taste by 
choosing one of the pre-set EQ modes or adjusting the EQ curve according to 
your content, your style, your taste. Voice Prompts in your language guide you 
through the Tune 770NC’s other features. 
Hands-free calls with VoiceAware 
Easily control your sound and manage your calls from your headphones with 
the convenient buttons on the ear-cup. Hear your voice while you’re talking, 
with the help of VoiceAware. 
Up to 70H* battery life with speed charge 
For long-lasting fun, listen wirelessly for up to 44 hours and recharge the 
battery in as little as 2 hours with the convenient Type-C USB cable. A quick 
5-minute recharge gives you 3 additional hours of music. *Battery life: BT on / 
ANC o 
Multi-Point connection 
Eortlessly switch from one Bluetooth
®
 device to another. Jump from a video 
on your tablet to a call on your mobile phone, and never miss a moment. 
Lightweight, comfortable and foldable design 
The lightweight materials and soft ear cushions with a padded headband make 
the headphones comfortable to wear for extended periods. The foldable design 
makes it convenient to carry them anywhere—anytime you want music. 
(*)  Available via OTA update at a later stage. 
Technical Specifications 
 Power supply: 5 V 1 A 
 Frequency response: 20 Hz – 20 kHz 
 Impedance: 32 ohm 
 Sensitivity: 100 dB SPL@1 kHz 
 Maximum SPL: 94 dB 
 Microphone sensitivity:                          
-40 dBV/Pa@1 kHz 
 Maximum operation temperature:    
45 °C 
 Bluetooth transmitter modulation: 
GFSK, π/4-DQPSK, 8DPSK 
 Bluetooth version: 5.3 
 Bluetooth profile version: A2DP v1.4, 
AVRCP v1.6.2, HFP v1.8 
 Bluetooth transmitter frequency 
range: 2.4 GHz – 2.4835 GHz 
 Bluetooth transmitter power: < 10 
dBm (E.I.R.P) 
 Driver size: 40 mm/ 1.57” Dynamic 
Driver 
 Weight: 232 g/ 0.51 lbs 
 Battery type: Lithium-ion battery (690 
mAh/ 3.7V) 
 Charging time: 2 hrs 
 Music playtime with BT on and ANC 
o: Up to 70 hrs 
 Music playtime with BT on and ANC on: 
Up to 44 hrs 
 Music playtime with BT o and ANC 
on: Up to 30 hrs 
 Talk time with ANC on: Up to 30 hrs 
 Talk time with ANC o: Up to 39 hrs 
What’s in the box 
1 x JBL Tune 770NC headphones 
1 x USB-C Charging Cable 
1 x Detachable audio cable 
1 x Warranty/Warning 
1 x QSG 
© 2023 HARMAN International Industries, Incorporated. All rights reserved. JBL is a trademark of HARMAN 
International Industries, Incorporated, registered in the United States and/or other countries. Features, 
specifications and appearance are subject to change without notice. 
HARMAN International Industries, Incorporated 
8500 Balboa Boulevard, Northridge, CA 91329 USA 
www.jbl.com 
Adaptive Noise Cancelling Wireless Over-Ear Headphones 
TUNE 770NC