Frequently Asked Questions 1.Is the heart rate/Blood Pressure/Blood Oxygen Monitor accurate?Why I measured an object can still get a value?Is it fake? It is the phenomenon that all smart watches will have.All measurements depend on sensors and algorithms and have certain errors. Smart watches measure heart rate mainly through photosensitive sensors, which receive light reflected from the arm skin and convert it into heart rate through algorithms. So is iwatch, huawei watch and xiao mi band. How do Smart Watches measure the heart beat on the wrist? https://www.quora.com/How-do-Smart-Watches-measure-the-heart-beat-on-the-wrist About PPG: https://en.wikipedia.org/wiki/Photoplethysmogram 2.Can heart disease patients use its measured value as a reference? We do not recommend.Because at present, the measured value of watches on the market cannot reach the medical standard, and can only be used as a daily health reference, not as a medical reference. 3.Is it waterproof?Can I wear it to take a shower or swim? It is life waterproof,please do not wear it while taking a shower or swimming 4. What is the APP It’s Fundo/DTNO.I 5.How to change the time of my device? Please synchronize the device with your phone through bluetooth to calibrate time. Specification Model: DT99 Compatible system: IOS/Android system Functions: large memory 10+ dial, heart rate, ECG, blood pressure, blood oxygen, blood oxygen, multi-exercise, pace keeping, stopwatch, remote photographing, music control, quick payment (Alipay) Watch Languages: Support German, Russian, French, Japanese, Spain, Italy, English, Portugal, Chinese APP: fundo Chip: Nordic NRF52832 (512Kb+128Kb) Heart Rate Sensor: Zhan Heng Bluetooth: 4.2 Waterproof level: IP68 Product Technology: Stainless Steel Rim+Zinc Alloy Medium Shell +PC Plastic Rear Shell Net weight: Leather type: 40.9g, Stainless steel type: 80.6g. Screen size: 1.2 inch Screen resolution: 240 * 240 Screen Type: TFT Color Screen Screen material: tempered glass Packing size: 14.3 * 11.5 * 3.5 (cm) Battery type: lithium battery Battery model: 362025 Battery voltage: 3.7V Battery capacity: 165MAH Charging mode: magnetic attraction Charging time: about 2 hours Wrist band color: black Certification: FCC ID,CE,ROHS Package Included 1*Smart Watch 1*Charging Cable 1*User Manual
75 USD InStock
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DT99 Smart Watch (5 colors)

DT99 Smart Watch (5 colors)

$75.00

You save 15% off the regular price of $89.00
Add to Cart

Description

Frequently Asked Questions

1.Is the heart rate/Blood Pressure/Blood Oxygen Monitor accurate?Why I measured an object can still get a value?Is it fake?
It is the phenomenon that all smart watches will have.All measurements depend on sensors and algorithms and have certain errors.
Smart watches measure heart rate mainly through photosensitive sensors, which receive light reflected from the arm skin and convert it into heart rate through algorithms. So is iwatch, huawei watch and xiao mi band.

How do Smart Watches measure the heart beat on the wrist?
https://www.quora.com/How-do-Smart-Watches-measure-the-heart-beat-on-the-wrist

About PPG:
https://en.wikipedia.org/wiki/Photoplethysmogram

2.Can heart disease patients use its measured value as a reference?
We do not recommend.Because at present, the measured value of watches on the market cannot reach the medical standard, and can only be used as a daily health reference, not as a medical reference.

3.Is it waterproof?Can I wear it to take a shower or swim?
It is life waterproof,please do not wear it while taking a shower or swimming

4. What is the APP
It’s Fundo/DTNO.I

5.How to change the time of my device?
Please synchronize the device with your phone through bluetooth to calibrate time.



Specification
Model: DT99
Compatible system: IOS/Android system
Functions:
large memory 10+ dial, heart rate, ECG, blood pressure, blood oxygen, blood oxygen, multi-exercise, pace keeping, stopwatch, remote photographing, music control, quick payment (Alipay)

Watch Languages: Support German, Russian, French, Japanese, Spain, Italy, English, Portugal, Chinese
APP: fundo
Chip: Nordic NRF52832 (512Kb+128Kb)
Heart Rate Sensor: Zhan Heng
Bluetooth: 4.2
Waterproof level: IP68
Product Technology: Stainless Steel Rim+Zinc Alloy Medium Shell +PC Plastic Rear Shell

Net weight: Leather type: 40.9g, Stainless steel type: 80.6g.
Screen size: 1.2 inch
Screen resolution: 240 * 240
Screen Type: TFT Color Screen
Screen material: tempered glass
Packing size: 14.3 * 11.5 * 3.5 (cm)
Battery type: lithium battery
Battery model: 362025
Battery voltage: 3.7V
Battery capacity: 165MAH
Charging mode: magnetic attraction
Charging time: about 2 hours
Wrist band color: black
Certification: FCC ID,CE,ROHS

Package Included
1*Smart Watch
1*Charging Cable
1*User Manual

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