Instruction Manual

Forehead Sleep Recorder File No. DMR-SM902-4-25 Ver:A0

10.2. SpO

and Pulse rate measurement performance

10.2.1. SpO

measurement section

(1) Measurement method

Use a headband or medical headgear to fix the device and ensure that it is tightly worn by

keeping proper pressure, with the user in a supine position.

(2) SpO

measurement range

From 70%SpO

to 100% SpO

(3) SpO

accuracy

In the range of 70% ~ 100%, the measurement error of SpO

≤3 %.

10.2.2. Pulse rate measurement section

(1) Measurement method

Use a headband or medical headgear to fix the device and ensure that it is tightly worn by

keeping proper pressure, with the user in a supine position.

(2) Measurement range

40 bpm to 240 bpm.

(3) Accuracy

Not exceed ±3% or 3BPM of the input pulse rate (Whichever is greater).

10.3. Body position requirements

Correctly identify typical left lateral, right lateral, supine, prone position.

11. User Agreement

Any user decide to buy this product, that represent the user has agreed this User Agreement

(“ Agreement” ). This agreement is to unify the opinion related to the use of the product between

Shenzhen BrainScience Bio-Info Technology Co., LTD (“ BSBT” ), whose address is 1401,

Building 7A, Wanke Yuncheng, Dashi 1 Road, Nanshan District, Shenzhen City, Guangdong

Province, China, and the user of the product (“ User” ).The agreement is following:

1) The warranty period of this productis one-year from the date of its shipment to User.

2) User agrees that the product will be used according to this instruction manual for the purpose

for which it was designed.

3) The product will be free for repair and replacement if the defects in workmanship or

materials, that is found within 1 year “ Warranty Period” . The single use accessory is not

included in this warranty in terms. The product with defects caused by accident ,misuse,

neglect, or the use in violation of this instructions will be exclude from this warranty.

4) Repair or replacement of the product under this warranty does not extend the Warranty

Period.

5) In order to request repair or replacement under this warranty, User should contact BSBT

directly. BSBT will provide User with a Return Material Authorization (RMA) number to