Second, the main function profile 1. a key fast video function 2. Separate recording function 3. Support for cyclic recording 4. One key formatting function 5. Operation vibration tips 6. Maximum support 64GBTF card (FAT32 format) ** 7. Sports Smart Bracelet function (optional function, please refer to the "Sports Smart Bracelet" section for details) ** If you are using the 64GBTF card, first format the TF card with FATGenius as FAT32 Third, the product operating instructions Charging: The built-in rechargeable lithium battery, the first use of the machine, please use the charger and then use the charge - use the USB data cable and the charger can be connected to charge, charging yellow light slow flash (full of no flash, Hour full of electricity). four. Related parameters Video encoding: AVI / M-Jpeg Video resolution: 1920 × 1080 @ 30fps Photo parameters: 2560 × 1440 / JPG Recording files: WAV Support System: Windows Me / windows2000 / XP / win7 / Win8 / Macos / Linux Battery capacity: 350maH Charging voltage: DC-5V TF capacity: maximum support 64GB, can be installed about 11 hours of the file Fifth, note A) Use: Please strictly abide by the relevant national laws and regulations, do not use this product for any illegal use. B) About the battery: As the use of time increases, the battery working time will be shortened. For a long time, please be fully charged before use. C) file security: This product is non-professional storage devices, please timely backup files on the PC side D) other matters: the product for precision electronic products, not subject to strong impact, not in strong magnetic field, strong electric field, high humidity environment.