Jam Transit™ Ultra Truly Wireless Earbuds. Truly wireless earbuds with no wires and no restrictions. Two separate earbuds fit snuggly in each ear. Delivers up to 3 hours of play time on a single charge. Earbud carrying/charging case provides up to 7 full charges before needing to be recharged. Charging case also doubles as a power bank to charge other devices. Features Bluetooth® 4.1 and wireless calling capabilities. No wires, no restrictions. With JAM Transit Ultra, you're free to move. Two separate earbuds fit snugly and comfortably into each ear, delivering up to 3 hours of play time with a single charge. When you're done rocking, pop them back into their charging and carrying case for up to 7 full earbud charges.