Hardware info:

CPU:M TK6260--360MHz
ROM: 8MB
RAM: 64MB
Sim card slot: Yes--Single micro sim card slot
2G GSM: GSM 850/900/1800/1900
3G: NO
TF card slot: Yes, support up to 32GB
Android OS: NO
WIFI: NO
GPS: NO
Sensor type: Yes--G-sensor
Speaker: 8Ω/0.7W speaker x 1
MIC: Yes
Vibrate motor: Yes
FM radio: Yes
Camera: Yes
Bluetooth: 3.0---for bluetooth earphone also have BT sync function
Buttons: One button( power on/off,return)
USB port: 5Pin Micro USB port for earphone and charge.
Stylus pen: NO
Water resistant: Yes

Main functions:

Smart BT sync: Yes, can sync all Push Notifications from android phone.
After connect bluetooth with other phone can use: support Iphone and android phone, no need install apk.
Dial: Dial the number from the watch directly to make the call.
Phonebook: Sync phone's phonebook on the watch.
Call history: Sync phone's call history on the watch.
Audio player: Play and control phone's music
ANTI-lost: Yes--When the watch between with the phone have more than 8-10 meters, watch will have vibrate/ring alarm.
Below sync funcitons need install apk in the user's phone, just support andriod phone. not for IOS
Messaging: Sync new SMS, can read and reply SMS on the watch.
Remote Capture: Control remote camera,take photos on the watch.
Remote Notifications: Sync SMS,weather, email, wechat, twitter,facebook,skype..etc  can Sync all Push Notifications from android phone.
Sync Time and date: When the watch connect with the apk software, will auto sync time/date.
Change clock interface : NO
Dial: Dial the no. from the watch directly to make the call.
Phonebook: 500
call history: Recceived+called+missed call
Messaging: SMS. MMS
File manager: Yes--Need insert micro sd memory card
Audio player: Support MP3/MID format, and all music files need save inside " my music" file in the TF card.
MP4 player: Yes
Recording: Yes
Profiles: General, silent, Meeting, Outdoor,user's style
Alarm: Yes- have 5 alarms
Calculator: Yes
Calendar: Yes
FM radio: Yes-- need plug in earphone
Schedule power on/off: Yes--To set the timer switch
pedometer: Yes
Sleep Monitor: Yes
Sedentary reminder: Yes
Go internet: Yes--WAP 2.0
Languages: English, French, German, Portuguese, Russian,  Spanish, Turkey,  Arabia,  Italy