Charge your workouts with the yurbuds Inspire Vivid sport earphones. Featuring the Twist Lock technology & Flex Soft comfort fit, these earphones are ergonomically designed to never hurt & never fall out. They are sweat & water-resistant & allow ambient noise for use during all types of activity.
Features: Twist Lock Technology Sweat + Water Resistance Ambient Noise Awareness Exceptional Sound Quality Flex Soft 2 sizes of enhancers 15mm speaker Dynamic driver 20 Hz-20k Hz frequency response Neodymium magnet Compatible with all smart phones, tablets, computers & audio devices featuring a 1/8 (3.5mm) headphone jack Glossary: Twist Lock Technology: yurbuds Twist Lock into place for a secure fit that never falls out, even under the most intense workout conditions. Size Guide: For guidance on how to measure your ears please watch the video or pop in to store to get sized up. Size 4: 13mm from Tragus to Antihelix Size 5: 15mm from Tragus to Antihelix Size 6: 17mm from Tragus to Antihelix Size 7: 19mm from Tragus to Antihelix Size 8: 20mm from Tragus to Antihelix Size 9: 22mm from Tragus to Antihelix Size 10: 24mm from Tragus to Antihelix