Screen                  1.39 inch AMOLED whole round HD；resolution：400*400 pixel
Chipset                 MTK6580  Quad core 1.3Ghz 
3G Frequency      Nano SIM Card 3G WCDMA 850/1900/2100; 2G GSM 850/900/1800/1900 quad-bands；
Battery                   450mAh Round Polymer battery
OS                          Android 5.1
Memory                 512MB/8GB optional(1GB/8GB be customize)
Features 2           Support Wifi + SOS + Bluetooth Music +Hands free
Features 3           Ver 4.0, compatible for both IOS and Android.