Android smart watch phone is the first smart watch which has the max memory of 1GB + 16GB in the market, MTK6580 quad-core 1.3GHz CPU makes it more perfect: Parameters: Memory :RAM+ROM 1GB+16GB; Chipset: MTK6580 quad-core 1.3GHz; OS: Android 5.1, Material:Aluminum Alloy+TPU; Display:1.39" AMOLED 400 x 400 capacitance round touch screen; Bluetooth:4.0; Sync method:Bluetooth; Connection:For Android phone; Heart rate:Real-time heart rate detector; Acceleration sensor & gyroscope:Support, pedometer, bright the screen when raise hand; Information sync:Support; Network:WCDMA3G(850/2100)+GSM 2G(800/900/1800/1900); SIM Card:Nono SIM Card; WI-FI:Independent WIFI; GPS:Support; Batteries & IO:Built-in 350mAh high power Li-polymer battery;4pin contact; Functions: Heart rate:Support; Pedometer:Support; Google play:Support; Google now:Support; Google map:Support; Weather:Support; Voice search:Support; Notification:Support; SMS:Support; Calendar:Support; Alarm:Support; Music:Support; Phone call:Support; Phone book:Support;