Note: Causes for your glasses to shut down automatically: 1. TF memory card is full or no memory card in it. 2. Your glasses is less power. 3. There is a problem with your TF memory card. 4. Work in a well-lit area to get a clear picture Power-off automatically saved When the system detects low battery ,it will automatically save the file and then shut down to ensure the safety of video files Collect beautiful moments Wear it to record your favorite on site sports, some exciting performance, happy moments on a gathering, wedding and so on. So you can repeat these joys on your computer again and again. Protect you well Wear it to record the important conversations or videos, used for evidence, with time stamping on it, files you record can be used as strong evidences. Perfect gift for your kids As a good companion of your kids. Wearing it to record what they see when playing in the garden, in the field, on the party or in the class, help them to repeat the joy again and again or got what they lagged behind in the class Specification: Video/photo Resolution: 1920*1080P Video Format: AVI Charging voltage: DC-5V Charging Time: About 30-45 Minutes Support System: Windows me/2000/XP/2003/vista Mac OS 10.4/Linux system Full Charge for Continuous video: 1hrs Storage: Micro SD(TF) card. up to 32GB Package: 1.Camera glasses *1 2.Charging cable *1 3.Glasses box *1