Features: Go with NFC & RFID support muilti function GSM&GPS Quad-band Real-time Tracking & location， Google Address Link SOS， Speeding， GEO-Fence， Battery Low Alarm Built-in microphone and loudspeaker realized real-time monitor and phone call to bound phone No.Package included: 1x GPS 1x Adapter 1x Power charg cord 1x Lanyard 1x Headset 1x User Manual