screen                               1.39" AMOLED Capacitive touch Display；resolution：400*400pixel
Appearance                      Alluminum,Anodic Oxidation,CNC
Battery                               400mAh High Power Polymer battery
CPU                                   MTK 6580 Quad Core 1.3Ghz
OS                                      Application Android 5.1
RAM/ROM                         RAM 512MB+ ROM 4GB
GSM Frequency              SIM Card 3G WCDMA 850/2100; 2G GSM 850/900/1800/1900 quad-bands；
Bluetooth                          Ver 4.0,  compatible for both IOS and Android.
Main function                   Sync SMS, Caller ID display, WIFI, GPS,GSM,BT
Camera                            Camera 2.0 Mega pixel
Basic function                  Pedometer, Sedentary reminder, Sleeping Monitor,