Let's start with the camera and accessories. Great looking motorcycle camera, solid appearance and beautiful elegant appearance. Came well packaged in a box with most of the accessories you need to fit most helmets. All typical instruction manuals are also supplied in multiple languages. Anyway, I get this on a Friday after work around 5, open it up and check everything, pop in a micro SD card and plug in the device to charge. I checked later that night to make sure it was still charging, so I plugged it into a different outlet with a different micro-USB/power bank combo cable and left it on the charger overnight. When I went to check the Sena Prism at around 6:00 the next morning, I realized something was wrong when the LED was still red. I've tried looking online for typical charge times but couldn't find this information and a device with only 2.5 hours of recording shouldn't need to charge for more than 12 hours. either button on the back for 5 seconds and it will flash red and blue. Nada, no light, nothing. Tried both buttons for 10 seconds, still nothing. I asked to do an exchange and give it another chance, hoping this is just a defective module, which I can understand. 2 stars for the quality of the camera and accessories. I will update this review once I receive a replacement.