A1 Sends and receives calls and text messages (only with ANDROID when connected by Bluetooth), step counter, message reminder, world time, 240 x 240 pixel HD screen. You could also Control the camera on your phone, play music through your SmartWatch; 380mAh battery which provides 10 + hours of standby time and 2 – 3 hours of talk time. Brings a reminder to keep you with an active lifestyle. Notifications on your SmartWatch will alert you when your phone’s applications need attention (for ANDROID only). A1 has a Speaker that is clear with excellent sound, calculator, sleep monitor and supports Micro SD cards up to 32 MB (SD Card not included). 3 different colors to choose from.