SCREEN :0.96 inch OLED display Solution :MTK6261, 364MHZ GPS:GPS MTK3337, 22 channels AGPS:GPRS Class12, location time 26 seconds LBS L1, 1575.42MHZ C/A code GSM,GPRS 850/900/1800/1900 SIM card:Micro SIM card Anti-take off alarm:Support Calling:Support SOS:Support G-sensor:Support (in three axis) Remote monitoring:Support Battery:Lithume batter 400mAH, Standby 100 hours Dimension:31*52*11.8mm Accessories:USB cable and user manual Function:Pedometer, Sleep Monitor,Amount of exercise, Electronic fence