JBL Tune 510BT: Wireless On-Ear Headphones with Purebass Sound - WhiteThe JBL Tune 510BT headphones let you stream powerful JBL Pure Bass sound with no strings attached. Easy to use, with up to 40 hours of battery life and speed charge, they are super lightweight and comfortable. Grab them and fill your day with music! The Tune 510BT wireless headphones feature renowned JBL Pure Bass sound, which can be found in the most famous venues all around the world. Specific uses for product : Personal With Wireless Bluetooth 5.