JBL Pure Bass Sound: The JBL Tune 720BT features 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 720BT features. 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. 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. smoke free home