Vidvision VID720IIB Ii 720p Recording Sunglasses; Black 16GB Internal Memory Record Up To 2.5 Hours of HD Video Built-In 5MP HD Video Camera / View Angle 64 / 1280X720 Video Format @ 30fps Compatible With: Windows XP/7/8: Mac OS Battery Life 2.5 - 3 Hours / Battery: 650mAh 3.7V Li-Ion Polymer Battery Polarized Lens, UV400 Resistance