The portable PULSE FLEX is a game-changing premium wireless speaker that follows you virtually anywhere. Like all Bluesound players, it's enabled with Bluetooth AptX, and can stream from any app or music service you want. Add a pair of PULSE FLEX's to your TV setup. Take the PULSE FLEX out on the patio and bring the party outside. An optional battery pack delivers 8 hours of high-res streaming. Now you can take your high-res with you. The PULSE FLEX is the ultimate party-starter.