Function – Timing tracking / Real time tracking – SMS/GPRS(TCP/UDP)tracking – Support GPS+LBS+AGPS+WIFI positioning (MT804G has wifi module, MT80BLE has not WIFI) – Blood Oxygen Monitoring (MT80BLE) – Skin Temperature Monitoring – Heart Rate Monitoring (MT80BLE) – Bluetooth connection(MT80BLE) – Receive sms notification – Pedometer /Sleeping quality – Wireless Charger – Waterproof IP67-68 – Two-way conversation/voice monitoring – SOS emergency alarm / Low battery alarm/ Geo-fence alarm – Belt on/off/cut alarm – GPRS data logger – Query APN automatically / Automatic time correction/ Time-zone setting – Tracking mode(Power saving mode / Vehicle mode / Smart mode) – Historical track query – GPS Tracking System and APP tracking – Support protocol and customization