.APP software function requirements1. The Bluetooth version of the iOS device is 4.0 (iPhone4S+), and the iOS version is iOS7.1+2. Only support China Unicom/Mobile GSM network, support call & SMS, do not support data function3. Supports the cloud service function of incoming calls and text messages, that is: when the product is disconnected from the mobile phone, the call and text messages can be pushed to the APP client through the cloud service to prevent missed calls and messages. Note: This cloud service function requires the data flow of the SIM card!4. Support multiple languages (tentative: simplified and traditional Chinese, English)5. Support the reminder function for users to connect to the device via Bluetooth (after the App is successfully connected, a pop-up window in the App shows the successful connection)6. With a loss alarm function, when the product is lost, the product can be found quickly by the location of the phone when the phone was disconnected from the product for the last time (this function requires the location service of the phone to be turned on)7. Support the function of reading the phone's original address book and the function of address book synchronization8. Support display device phone number, carrier name and device power functionProduct specifications1. Hardware function:1. Apple mobile phone requires iPhone4S and above, connect to iOS system through APP, (requires iOS7.1 or above system)2. The longest signal transmission distance of BT Bluetooth module is 10 meters, supporting Class I standard3. Support batteries with a capacity greater than 450MAH to support not less than 4 hours of talk and 48 hours of standby4. Connector device: SIM card type: Nano SIM card5. USB socket type: MICRO USBKey Function: Button 1: Long press for 3 seconds to control the power switch (ON/OFF); short press when disconnected to cancel the buzzer alarm; Button 2: In the connected state, long press for 3 seconds to find the mobile phone; in the connected state, short press to turn on the camera, and then short press to take pictures remotely.2. MODEM performance indicators:1. Network type: GSM2. Network frequency band: GSM850MHz/EGSM900MHz /DCS1800MHz/ PCS1900MHz global frequency bandInstructions for use1. First, please turn on the Bluetooth function of the IOS device2. Please search for APP "IKOS" in Apple App Store and download and install3. Long press the product power button for 4 seconds, the indicator light flashes alternately in red and green to enter the pairing mode4. Enter IKOS APP -> Settings -> IKOS products are found in the scanning device (Note: the pairing is done in the IKOS APP, not the Bluetooth function of the iOS device!)5. Click the device, when it shows that it is connected, the red light of the device is off and the green light is flashing