Jbl Tune 520bt Bluetooth On Ear Headphones Black 841885123459 It is equipped with a It is equipped with a high capacity hopper that holds your product and utilizes gravity to aid the piston during the extracting and filling process With its compact design and easy to use functionality Manage calls sound and volume from the earcup thanks to the convenient button control 3 technologyFor long lasting fun listen wirelessly for up to 57 hours and a quick 5 minute recharge gives you 3 additional hours of music or fully recharge the battery in as little as 2 hours with the convenient Type C USB cableDownload the free JBL Headphones App to tailor the sound to your taste with the EQ