Wiso: Your Personal Emergency Whistle

The Wiso is a Bluetooth-connected smart whistle designed to help you call for safety when you are being assaulted. Using a corresponding app, it o automatically texts, calls, or emails designated contacts with the victim's GPS coordinates.

>>Requirements

•iPhone or Android with Wiso app installed and configured for most features to function.

•Both Bluetooth and location should be enabled in the smartphone setting, and the app should have permission to use location data. Otherwise contacts will not know your location when Wiso is activated.

•A working mobile internet connection in order for the Wiso app to notification contacts.

>>Compatibility

•Wiso works on Apple iOS and Android devices with Bluetooth 4.0 (Bluetooth Low Energy).

•Supported Apple Devices using iOS 7 or higher: iPhone 6S, 6S Plus, 6, 6 Plus, 5, 5C, 5S, 4S

•Supported Android Devices using 4.4 or higher (KitKat or Lollipop): Samsung Galaxy S4, S5, S6,     HTC One, Butterfly S, LG Nexus 4, Nexus 5, Sony Xperia E3

>>Privacy Concerns

•You control when and what data is shared. Wiso delivers location info to your emergency contacts ONLY when you choose to.

•Web links with users' locations are automatically disabled after a set of time.

•2048-bit Secure Sockets Layer (SSL) is used for all communications between app and server.

>>User Interface

•You log in through existing social network accounts, including: Twitter, Google+, Facebook, Yahoo! Japan and Mixi.

•When an emergency occurs, your pre-selected contacts are notified through SMS/email/phone call, along with a web link with the user’s location history that can be opened by all modern web browsers.

>>Reliability

•Multiple service providers for sending SMS/email in the most timely and reliable manner

•Wiso is designed to work in an uncertain environment, it copes with unreliable network condition and sends the most up-to-date information to the server when possible. The server is equally designed to cope with a client with bad network access.

•When the server detects that no emergency contacts has opened the included location tracking web link, it automatically resends SMS/email with the link to the contacts several times to improve the chance of the message being seen.

>>Battery

•During standby,the app and WISO minimises communication to conserve phone and  device battery.

•In a sustained emergency, WISO adjusts its operation according to the phone’s battery level. When the battery is low, WISO app updates the phone’s location at a reduced rate, ensuring sustained operation of the phone and the app.