Premium audio performance with warm bass to eliminate listener fatigue Up to 250 hours of standby time and 4 and a half hours of talk time Patented Sport secure fit ear cushions provide a secure, customizable fit Lifetime Warranty against sweat Premium Bluetooth Wireless Sound for Music and Calls, featuring Patented Secure Fit Sport Ear Cushions. The Freedom Sprint is 40 percent smaller than the Freedom with 4.5 hours of playtime. Official training headphone of USA Triathlon with a Lifetime Guarantee against sweat.
Vine Customer Review of Free Product (What's this?) Update: Dec. 22, 2012Since I wrote this review, two (2) new stereo bluetooth headsets have hit the market: one by Jaybird ("Bluebuds X") and the Motorola ("S11 Flex HD"). An acquaintance bought the Bluebuds X, not wanting to wait for it to be sold on Amazon and was floored by the results. I have the Motorola S11 and can tell you, it is better than these Jaybird Freedom Sprint. The..