Basic Functions: Send/Receive Short Messages, Call Record, Bluetooth Communication, Bluetooth Call, SIM Card Call, Remote Camera, Anti-lost, Alarm, Calendar, Bluetooth Music, Local Music, Camera, Audio Recorder, Video, Phonebook, FM Radio
Functions such as "push notifications","remote camera", "anti-lost" can't work with IOS system due to the Apk is compatible with Android system only.
If your SIM card support 2G network( 850/900/1800/1900MHZ), then W90 can work with your SIM card.
There is no charger for the W90 smart watch, the watch can be charged by your mobile phone's charger, computer, powerbank, etc.
The watch supports following languages: English, French, Spanish, Polish, Portuguese, Italiano, Deutsch, Dutch, Turkish, Russian.
W90 smart watch is completely compatible with android system(Android 4.2.2 and later version), all apps which were installed in W90 smart watch can work with android system, but some functions need to work with the sim card and some functions need to work with the BT Notification app and some functions need to work with the external memory card. You can scan the QR code to download the BT Notification app to your mobile phone or download other BT Notification apps which are compatible with the watch from Android Market to your mobile phone, BT Notification app is used for syncing messages and notifications from Android devices to W90 smart watch. The watch can display the content of short messages only, it can note you Whatsapp, Facebook messages and other notifications but W90 smart watch can't display the content of them.
W90 smart watch can work with IOS devices, but some functions such as remote camera and BT Notifier,etc can't work with IOS devices.
If there is any difference between the description on the user manual and the actual functions or specifications on the watch, the watch's actual functions or specifications should be taken as valid.
Radio can work when the earphone is being connected to the watch.
UI design and some other details of the watch may be changed without prior notice.
The actual watch's color may be darker or lighter than it shows in the photos due to different displaying effect from different monitors 
Specification: 
CPU:MTK6260
Size :About 50
mmx40mmx10.8mm
Photo Size: Max 640x480 
LCD Size: 1.5 inch
Pixel: 240x240
Type :TFT IPS
Touch Panel Capacitive TP, Full screen touch
Bluetooth Version: 3.0
GPRS DataGSM CallSMSMMS 2G: (GSM850/900/1800/1900 )
Memory Nand flash 128M
LPDRAM: 64M
2G Antenna Build in
G-SENSOR Support
Battery Voltage 3.7V
Inside Battery 400mAh
I/O Interface: 5PIN USB andio jack
Data I/O :5PIN
Speaker : Loud speaker 
Extended memory Up to Micro SD 8G
Hot plug Support
SIM card Slot: Support One SIM card
MIC Support

Package:
1.Smart Watch x1
2.USB Cable x1
3.User Guide x1(In English and Chinese only)