Experience powerful sound with the JBL Tune 510BT headphones. Enjoy JBL Pure Bass without wires, and stay immersed in your music for up to 40 hours. Need a quick boost? Just 5 minutes of charging via USB-C gives you an extra 2 hours of playtime. These headphones easily switch from https://graphicstylus.net/custom-jbl-headphones-and-speakers/