Accessories, Supplies Audio, Video Accessories Alkaline Bags, Cases Home Audio Crossovers Remote Controls Speaker Accessories TV Accessories VCR Rewinders Video Converters Computer Car Electronics Car Electronics Accessories Computer Security Headphones Monitor Accessories Tool, Repair Kits Office Electronics Accessories Ink, Toner Remote Car Alarms Security Systems Radar Detectors CD-RW Drives DVD Drives Mice, Keyboards Memory Solid State Drives Tablets Tuners Security, Surveillance eBook Readers Printers MP3 Players Television, Video Blu-ray Disc Players Satellite Television TVs, HDTVs	Sony MDR-ED21LP Fontopia In-The-Ear Headphones Sony MDR-ED21LP Fontopia In-The-Ear Headphones - Super-light In-the-ear Headphones - Bass Booster Earpiece Shape - 16 mm driver units - Acoustic Twin Turbo Circuit for enhanced sound - High-powered Neodymium Magnets These super-light, ear-bud headphones weigh a mere five grams (.18 ounces.) They are the perfect headphone for those who relish lightweight, quality headphones. The silent cap confines the music to the listener's ear and away from those in the immediate area, a plus for those using the headphones in the coffee shop or library. The earphones are also open-air, meaning they allow ambient noises to enter the ear; this translates to a safer headphones, as the listener will be aware of horns, whistles and shouts. These headphones are constructed of an anti-bacterial material for a cleaner listening experience. Buy on Amazon.