Fitbit Charge 6 tracker obsidian NFC

GPS (satellite): Yes
Daily totals memory capacity: 30 day(s)
Hours slept: No
Quality of sleep: Yes
Workout tracking: Yes
Accelerometer: Yes
Memory capacity: 7 day(s)
Calendar notifications: Yes
GLONASS: Yes
Stopwatch: Yes
Personal goals: Yes
Call notifications: Yes
Vibrating motor: Yes
Date indication: Yes
Active minutes: Yes
Eat & drink: No
Position location: Yes
Distance travelled: Yes
Timer: Yes
Pedometer: No
Heart rate monitor: Yes
Calories burned: Yes
Heart rate sensor type: Optical
Blood oxygen sensor: Yes
Device type: Wristband activity tracker
Form factor: Rectangle
Product colour: Black
Housing material: Aluminium, Glass, Resin
Control type: Touch
Waterproof up to: 50 m
Closure type: Single prong strap buckle
Wrist size range: 140 - 220 mm
Band colour: Black
Band size: S/L
Suggested gender: Any gender
Band material: Silicone
Waterproof: Yes
Water resistance: 5 ATM
Battery technology: Lithium Polymer (LiPo)
Rechargeable battery: Yes
Charging time: 2 h
Battery operated: Yes
Battery life: 7 day(s)
Operating altitude: 0 - 5000 m
Storage temperature (T-T): -20 - 45 °C
Operating temperature (T-T): -10 - 45 °C
Depth: 38.6 mm
Width: 18.5 mm
Thickness: 1.17 cm
Mobile operating systems supported: Android
Display type: AMOLED
Touchscreen: Yes
Colour display: Yes
Quantity per pack: 1 pc(s)
Number of bands included: 2
Wi-Fi: No
Bluetooth: Yes
Near Field Communication (NFC): Yes