Please contact us freely for any question firstly, our customer service will provide the best help for you. NOTE 1. Please charge the watch fully before using. 2. Avoid damage to the device: Connect the watch and original USB cable firstly, then connect your computer. Disconnect your computer and original USB cable firstly, then disconnect the watch. 3. Please read each operation step carefully and follow the instructions strictly. 4. You can adjust the upside down video on most of the video player, please find the function in the app setting. The watch doesn't only have the best resolution around it also provide audio, video, and photo mode. Not only it is the best covert watch available, but it's also stylish design suits any occasion or event. FEATURES  Resolution: 1920*1080 Video Form: AVI Video Code: M-JPEG Image: JPG System: Windows me/2000/xp/2003/vista；Mac os 10.4；Linux； Voltage: DC-5V Memory Capacity: 16GB (Built-in) Battery Type: 380mah Lithium battery PACKING LIST 1 * Watch Camera 1 * USB Cable 1 * Instruction Manual
