Pure Bass. Zero Cables.
The JBL Tune 520BT headphones stream powerful JBL Pure Bass sound thanks to the latest 5.3 BT technology. Easy to use, these headphones provide up to 57 hours of pure pleasure and an extra 3 hours of battery with just 5 minutes of charge. Download the free JBL Headphones App and customize your sound through the EQ, while Voice Prompts guide you through the headphones features. Manage calls, sound and volume from the earcup, thanks to the convenient button control. If a call comes in while you are watching a video on another device, the JBL Tune 520BT seamlessly switches to your mobile device, so you never miss a call. Lightweight and comfortable even after hours of listening, the JBL Tune 520BT headphones fold flat in your
backpack to follow you everywhere.

Features and Benefits

JBL Pure Bass Sound
The JBL Tune 520BT utilizes the renowned JBL Pure Bass sound, the same
technology that powers the most famous venues all around the world.

Wireless Bluetooth 5.3 technology
Wirelessly stream high-quality sound from your smartphone without messy
cords with the help of the latest Bluetooth technology.

Customize your listening experience
Download the free JBL Headphones App to tailor the sound to your taste with
the EQ. The JBL Tune 520BT utilizes the renowned JBL Pure Bass sound, the
same technology that powers the most famous venues all around the world.

Up to 57H battery life and speed charge (5mins = 3H)
For long-lasting fun, listen wirelessly for up to 57 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.

Hands-free calls with Voice Aware
Easily control your sound and manage your calls from your headphones with
the convenient buttons on the ear-cup. Hear your voice while talking, with the
help of Voice Aware.

Multi-point connections
Allows you to effortlessly switch from one Bluetooth device to another. You
can simply switch from a video on your tablet to a call on your mobile phone,
so that you'll never miss a call.

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 for you to carry your headphones anywhere and
anytime you want music.

Ask Siri or Hey Google
Siri or Hey Google is just a button away. Activate the voice assistant of your
device by pushing the multi-function button.

Technical Specifications
Driver Size: 33 mm / 1.30 "Dynamic driver
Power supply: 5 V 1 A
Weight: 157 g / 0.35 lbs
Headset battery type: Lithium-ion battery (3.7V / 450 mAh)
Charging time: 2 hrs
Music playtime with BT on: up to 57 hrs
Frequency response: 20 Hz - 20 kHz
Impedance: 30 ohm
Sensitivity: 102 dB SPL@ 1kHz 1mW
Maximum SPL: 95 dB
Microphone sensitivity: -29 dBV@1kHz/Pa
Bluetooth version: 5.3
Bluetooth profile version: HFP 1.7.2, AVRCP 1.6.2, A2DP 1.3.2
Bluetooth transmitter frequency range: 2.4 GHz - 2.4835 GHz
Bluetooth transmitted power: 6 dBm (E.I.R.P)
Bluetooth transmitted modulation: GFSK, /4DQPSK,8DPSK
Maximum operation temperature: 45 C
Ear Cup External Height (cm/in): 7.34/2.8897
Ear Cup External Width (cm/in): 7.34/2.8897
Ear Cup Internal Height (cm/in): 3.1/1.2205
Ear Cup Internal Width (cm/in): 3.1/1.2205
Ear Cup Depth (cm/in): 1.78/0.7008

What's in the box
1 x JBL Tune 520BT
1 x USB-C Charging Cable
1 x Warranty/Warning
1 x QSG