Noise Luna Smart Ring - Stardust Silver

Material
-Durable titanium
-PVD Coating
-Non-allergenic, non-metallic
-seamless inner ring molding
-Water resistant up to 50m/164 ft

Weight & dimensions:
Width: 8mm
Thickness: 2.8mm
Weight: 3 to 4 grams    

Connectivity
BT Low-Energy ( BLE 5 )
Automatic firmware updates via      
2Luna Ring app
Compatible with iOS and Android
EMF radiation safe                  

Battery & Power
Up to 5 days of battery life*
Full charge in 90 to 120 minutes  

Sensors
Green LEDs (optical heart rate sensor)
Red LED (blood oxygen sensor)
Infrared Phot plethysmography (PPG) sensors
Skin temperature sensor
3 axis Accelerometer                

Health Features                              
Core Body Metrics: Heart Rate, Heart Rate Variation (HRV),  SpO2, Respiratory Rate, Skin Temperature, Skin Temperature Variations,
Sleep Related: Sleep Score, Sleep Time, Sleep Debt, Sleep Stages (REM. Deep, Awake, Light) , Sleep Time Movements (High, Low, Medium), Bedtime Guidance & Actionable Insights, Sleep Timing, Sleep Latency, Nap identification .