You are free to move with the Jam Transit Ultra earbuds that are truly wireless. Two separate earbuds fit comfortably into each ear. Bluetooth technology streams audio from a device. Each earbud lasts up to 3 hours on a single charge. Hands-free calling capability to answer calls directly from earbuds. Charging and storage case that charges earbuds up to 7x before case needs to be recharged. Sweat resistant design to last through tough workouts. Includes: Portable charging case. USB Charging cable. 3 Ear tip sizes.