Design and manufacture of a Bluetooth-enabled button

Design and manufacture of a Bluetooth-enabled low-energy button that can pair to an iOS device (iPhone 4 or later). The main function of the button is to collect a time stamp (sourced from the iOS device) when pressed and send it to an app in the iOS device. 1. Dimensions: No larger than 25mm in diameter and 10mm in depth 2. Power source: Long life battery 3. Quantity: 30 (initial order) 4. Technical Quality: Suitable for prototype testing (pairing with an iOS device) 5. Delivered to: Australia