JBL Tune 520BT - Wireless on-Ear Headphones

NOTE: If headset is too tight we suggest placing them over a ball or something of similar size/shape. Leave undisturbed for at least 24 hours. Repeat if necessary. Please also try length adjustments of either earpiece until both sides best fit you. JBL Pure Bass Sound: The JBL Tune 520BT features the renowned JBL Pure Bass sound, the same technolgy 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.