The has a 1GB MP3 player built into the frame of the sunglasses, so there are no wires to put up with while you're being active. The sunglasses can store 12 hours of music in the Mp3 player, and have a Li-ion battery that will play back for 6 hours without a charge. They have built-in multi-directional earphones that can adjust to fit almost any wearer or move them away from your ears if needed. You can transfer computer files to your sunglasses and use them as a backup disk for work, school, or anything you wish. They also come with gray, flip up, polarized sunglass lenses so you can keep listening under bright or dim conditions. AVA prescription lenses available for this product include clear, tinted, transition, mirrored, bifocals, and progressives. Availability may be limited by prescription. Additional charges apply. See Related Items to order.

These glasses have been specially designed with action in mind. They are light weight, less than 2 oz., and have a special seal around the electronics compartment, to help block out moisture from sweat and the environment. A custom made bridge/nosepiece design to allow for the prescription lens option. They are great for any activity where sunglasses and/or music would be an added bonus. Running, cycling, motorcycling, yard work, construction, outdoor activities, or just catching some sun. (By the way, always obey traffic laws and safety regulations) You might even want to listen to an audio book or two when you're just taking it easy.

Features:
• 1 GB Mp3 player stores up to 12 hours of music or combination of music and data files.
• Multi-directional speakers are attached to the frame and can be adjusted to fit almost anyone.
• Li-ion battery for up to 6 hours of Mp3 play. It recharges to 80% in 1 hour or 100% in 3 hours.
• Non-prescription, gray, flip-up, polarized lenses that provide 100% UV protection, and greatly reduce glare.
• Moisture seal around the electronics, to help block out sweat and environmental moisture. (Not waterproof)
• All prescription lenses are made with polycarbonate material. These are light weight, scratch resistant lenses. Polycarbonate lenses are doctor recommended for both children's glasses and safety glasses. Prescription range from -4.00 to +6.00. Additional charge. See lens guide for more details. Current and valid prescription required.
• Included accessories: USB cable, wall charger, car charger, case, and cleaning cloth.
• Compatible with Windows 2000, Windows ME, Windows XP and newer. Just plug the USB cable into the USB port and the computer recognizes the sunglasses as a removable disk.
• One year limited warranty and 60 day return policy.