Fitbit authentic Watch

Product Name: Fitbit authentic Watch
What's included: Sense Lunar White/Soft Gold Stainless Steel *Fitbit Sense *Dimensions 1.59in l x 1.59in w x 0.49in h *Classic wristband (both small & large). Small Fits wrist 5.5" - 7.1" in circumference Large Fits wrist 7.1" - 8.7" in circumference *Charging cable -Dimensions: 1.59in l x 1.59in w x 0.49in h -6-month Calm subscription -Multi-path optical heart rate sensor Multipurpose electrical sensors compatible w/ ECG app & EDA app Red and infrared sensors for oxygen saturation (SpO2) monitoring Gyroscope Altimeter 3-axis accelerometer Skin temperature sensor Ambient light sensor Wi-Fi (802.11b/g/n 2.4GHz) NFC Built-in GPS + GLONASS Vibration motor Speaker (75dB SPL @10cm) Microphone -Battery life up authentic to 6+ days. -Battery type: Lithium-polymer Syncing: Apple iOS 12.2 or higher. Android OS 8.0 or higher. -Syncing range: Up to 30ft Retails: $299.