Highlights: Cal l Function:GSM/GPRS 850/900/1800/1900. SMS and Receive SMS by bluetooth (Only android). Entertainment:MP3, bluetooth music playing. Clock display:3 ways show display clock. Pedometer:Movement step record. Sedentary remind, Sleep monitoring, Taking pictures. Others:Alarm clock, calendar, Phone book, call record etc. Bluetooth push message (Only for android phone): WeChat, Whatsapp, Facebook, Twitter,Timely,information etc. There is no APK for iPhone, so four functions can't sync with iphone( 1.Anti-lost, 2. Messaging,3. Notifier, 4. Remote Camera),but all other function can use normally because no need to use app. Music player;Twitter; Image; browsing; whatsapp; Facebook; Internet; These functions must be inserted into the SD card. We recommend bringing or buy a SD card. Twitter; whatsapp; Facebook; Internet,Need to insert SIM card and SD card, and the SIM card needs to open GPRS,Download to use. Internet only supports GPRS,does not support WIFI Language: English, French, Spanish, Polish, Portuguese, Italian, German, Czech, Dutch, Hungarian, Turkish, Russian, Hebrew Send the default A language, if you need B language, please leave a message under the order. parameter Screen:1.54 inch HD TFT screen,240*240 Dost Paring system:Android 4.3 or above (ISO unavaialbe) Main Chipset:MTK6261D, CUP speed 533MHz RAM:128MB ROM:64MB Calling:2G GSM SIM card (GSM 850/900/1800/1900) Microphone:built-in Bluetooth:V3.0 G-Sensor:Supported Camera:0.3MP, support remote camera I/O:Micro USB TF card slot:support max32G Speaker:8Ω/0.7W speaker x 1 Microphone:Supported Battery 3.7V/380mAh,Lithium-ion polymer battery Body measure: 48*40*11mm. common problem: 1.How to achieve Bluetooth message notification? Please scan the two-dimensional code in the watch to download Bluetooth notification software, Bluetooth connection phone, open the notification option. 2.Can not connect to the Internet? Please insert the SIM card in GSM format, and open GPRS. If the signal in the room is not good, please test outdoors. 3.Can not boot? Check if the battery is inflated. As a result of long-term transport, will lead to battery power depletion, so please remove the battery, friction electrode, install the battery, charging.