Donna is a free Android app developed by Syska LED Lights Pvt. Ltd. that helps users manage their smartwatch while giving them more control over its functions. The app is compatible with the SYSKA SSW106 smartwatch.

With Donna, users can monitor and record their health data, including steps, calories, sleep, heart rate, blood oxygen, and more. The app also supports message reminders for calls, text messages, Facebook, Twitter, and other social media notifications. Users can even hang up on the bracelet and perform other operations.

Donna offers various watch faces that can be selected to match users' style and mood. The app also features a sedentary reminder, drinking water reminder, brightness vibration setting, and do not disturb mode. In order to provide on-time notifications, synced health data, and the best app experience, Donna requires in-app permissions such as location, Bluetooth, contacts, calls, messages, notifications, ignore battery optimization restrictions, and background app activity.

Overall, Donna is a useful app for smartwatch owners looking to manage their device and stay on top of their health and notifications.