• 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. Voice prompts in your desired language guide you through the Tune 520BT features.

• 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.

Other Features:

• Dynamic frequency response range: 20 Hz – 20 kHz
• Bluetooth profiles: HFP 1.7.2, AVRCP 1.6.2, A2DP 1.3.2
• Bluetooth frequency: 2.4 GHz – 2.4835 GHz
• Bluetooth transmitted modulation: GFSK, π/4-DQPSK, 8-DPSK
• Bluetooth transmitter power: 6 dBm (E.I.R.P)