Shanghai Berry Electronic Tech Co., Ltd.

Feature
 
Convenience
Compact appearance, more convenient to carry. A button to wake up, 
even the elderly can also be used simply. Two 1.5V AAA batteries can 
be used continuously for more than 15 hours, more environmental 
protection and saving.
 
Resting Heart Rate
Heart beats per minute while at rest tells a lot about your internal 
health and fitness levels. It is a strong indicator of your risk for 
heart problems.

Blood Oxygen Level
Your body requires a very precise balance of oxygen in the blood. 
For your body to perform optimally, blood oxygen levels should 
be above 95%.
 
Specification
 
Operation system /
SpO2 Detection scope: 35%-100%
Accuracy: ±2% 80%-100%
±3% 70%-79%
Pulse Rate Rage：25-250BPM
Accuracy：±2BPM
Resolution:1BPM
Bluetooth /
Battery Type Two 1.5V AAA alkaline batteries
Service life Over 10000 times
Display OLED
Working voltage D.C.2.2 V~D.C.3.4V
Operation   environment Temperature: 5℃ - 40℃
Relative humidity: 15% - 80%
Atmospheric pressure: 86Kpa - 106Kpa
Size 58 (H) × 34 (W) × 30(D)mm
Weight 50g Include batteries
Delivery time Mass production: about 15 days (2000pieces)
OEM: about 25 days