This watch has two working mode.
One is company mode, It enable to make call or receive call and send or get message via connecting the phone.
The other one is Network mode(Sim Card inserted). You inserted Sim card into it, you can watch works as a real cellphone, you can hang out without your cellphone.
About Company Mode:
For iPhone, it can be paired with phone, but there is no corresponding APP, it only supports partial functions, including Calls and Message Sync, Pedometer, Calculator, Clock, Music player,ect. There is no push notifications from social media messages.
For Android, there is corresponding APP, it supports all functions.NOTE
Please do keep the APP on (running and working at your phone),otherwise BT connection with the watch and sync function will be affected, resulting in inaccurate data sync or data sync disconnecting. Please kindly understand.
phone's BT is on and ensure the BT can be checkable.
And ensure the watch's BT is also on and can be find.
Connectivity from phone to watch
Phone setting, turn on BT-search for devices, choose the BT name of watch and click to pair.
Connectivity from phone to watch Watch setting, BT-start the search and find the BT name of the phone, then click to pair.System requirement
Android 4.3 and IOS 7.0 or above.
After installing the Fundo APP (The app only can be used for Android) and connectivity successfully between phone and watch , you will find the message remind to watch when the phone get the update messages.
SIM Card: Single SIM Card (Micro SIM Card)
Frequency: GSM 850/900/1800/1900 MHz
Bluetooth: Bluetooth 3.0
Storage: RAM 32M, ROM 32M; External memory: Support TF card up to 32GB
Display: 1.54 inch TFT LED, 320 x 320pixels
Battery: 280 mAh
Talk Time: 3 Hours
Standby Time: 180 Hours
Picture Format: JPEG, GIF, BMP, PNG
Music Format: MP3, WAV
Video Format: MP4
Functions: Bluetooth Dialer, Contacts, Call Reminder, Clock, Anti-loss, Pedometer, Sleep Monitor, Sedentary Reminder, Calendar