Jaybird RUN Wireless Sport Headphones One Size

Secure & Comfortable Fit
Includes interchangeable tips and fins for all ear sizes
Sweat-Proof
Double hydrophobic coating ensures your buds are protected from sweat and water damage
12 Hours in your Pocket
4 hour play time with an additional 8 hours from the pocket-size charging case. Charge up for 5 minutes and get another hour of listening
Custom Sound
Customize how you like your sound with the Jaybird App. Pump up the bass or tweak the treble-and take calls, too.