Name:Uniwoay Model Number:FA23 Place of Origin:Guangdong, China Display Type:IPS Screen Resolution:320x240 Screen:< 2" Display Color:Color Feature:GPS Navigation, Touch Screen, Build in Flash, IP67 waterproof, Kids Operation System:ANDROID Camera:No Camera Design:Bar Movement Type:Electronic Band Material:Rubber Case Material:ABS Function:Alarm Clock, Power Reserve, Remote Control, Countdown, Sleep Tracker, Fitness Tracker, Call Reminder, Answer Call, Message Reminder, Dial Call, GPS Navigation Chip:MTK MT2503 GPRS:Class12 GPS signal:L1,1575.42MHz C/A Number of GPS channels:22 channels GPS chip receive sensitivity:Tracking sensitivity: -165dBm, capture sensitivity: -148dBm GPS positioning accuracy:5~15 Meter Gravity sensor:Support GPS chip:MTK3337 Operating temperature:-20~70 Waterproof:IP67 waterproof Certification:RoHS