Note : Sensors amp; Components Multi-path optical heart rate sensor Electrical sensor to measure skin conductance (cEDA) for body response tracking Multipurpose electrical sensors compatible with ECG app amp; EDA app. ECG not available in all countries. Red and infrared sensors for oxygen saturation (SpO2) monitoring Gyroscope Altimeter 3-axis accelerometer Skin temperature sensor Ambient light sensor WiFi (deactivated, cannot be turned on) NFC Built-in GPS + GLONASS Vibration motor Speaker (75dB SPL @10cm) Microphone Water resistant to 50m Battery life of 6+ days. Battery life and charge cycles vary with use, settings and other factors; actual results will vary. Use of the always-on display, SpO2 and the cEDA sensor will require more frequent charging. Up to 5 hours with continuous GPS. What #39;s included: Fitbit Sense 2 Classic band (small amp; large) Charging cable *** Garansi : 1 Tahun