DEVELOPED BY ATHLETES™ TECH SPECS 15mm Speaker Dynamic Driver 20Hz-20kHz Frequency Response BOX SIZE 10.16cm W x 15.88cm H x 6.35cm D INCLUDES 2 Sizes of Enhancers Sport Carry Pouch AVAILABLE COLORS Black/Red, Item#YBIMINSP04RNB Black, Item#YBIMINSP04BLK INSPIRE 400 FEATURES Quik Clik ™ Tangle-Free Magnets Ready to Wear. Ready to Store. JBL® Signature Sound With PureBass Performance Microphone with Music Control iPhone ® Compatible 3-Button Command Music, Volume, and Voice Activation CORE FEATURES TwistLock ™ Technology Guaranteed Never to Fall Out FlexSoft ™ Long-Lasting Comfort Sweat Proof Designed for Active Use Limited Warranty Providing Dependable Coverage Quik Clik Tangle-Free Magnets Ready to wear. Ready to store. INTRODUCING: TWISTLOCK QUIK CLIK MIC VOLUME SWEAT PROOF SPORT EARPHONES INSPIRE 400