JBL Endurance Sprint Wireless In-Ear Headphones Blue JBLENDURSPRINTBLU - Best Buy
JBL Endurance Sprint User Manual - Manuals+
JBL Endurance Sprint Wireless Sport Headphones (Black/Lime) - EXPANSYS Hong Kong
Amazon.com: JBL ENDURANCE SPRINT - Wireless headphones, bluetooth sport earphones with microphone, Waterproof, up to 8 hours battery, quick charge, works with Android and Apple iOS (black) : Everything Else
RUN, SPRINT, JUMP, DIVE: JBL® Introduces Endurance Headphones for Every Sport | Business Wire