File No.: QR-HC21-C-C09
Xiamen Linktop Technology Co., Ltd.
Page 4 of 17
incorrectly by a doctor and, in consequence, to incorrect diagnosis. The list of approved
applications is available at the www.linktop.com website.
Do not expose the product to impact of any chemical substances, sunlight, or high
temperature.
Protect the stethoscope against shocks and falls.
The product should be used in ambient temperature from 15 to 40
°
C.
Do not expose the stethoscope to temperatures greater than 50
°
C or lower than 0
°
C.
Do not use the product when the relative humidity exceeds 90%.
In case of noticing any irregularities in functioning of the stethoscope or any damage to it,
stop using it immediately and contact the manufacturer.
The product should be stored in a clean and dry place.
This medical product is not sterile and must not be sterilized.
The stethoscope should be charged only by means of the charging cable included in the
set supplied. In any other case, use a charger that meets the requirements described of
this manual.
When the product is being charged, all its functions, including data transmission, are
blocked.
The stethoscope does not include any parts that can be replaced by the user on their
own.
If you experience any skin irritation or redness after use this device, please stop using the
device.
1.3 Contraindications
N/A
1.4 Adverse Reactions
N/A
1.5 Special Population
N/A
1.6 Intended Use/Indications for Use
The Electronic Stethoscope is intended for the detection, amplification and recording of
sounds from the heart, lungs, anterior and posterior chest with selective frequency ranges. It
can be used on any person undergoing a physical examination.
2. DEVICE DESCRIPTION
2.1 General Description
Electronic stethoscope's proprietary environmental noise cancellation technology can help you
hear the human body's important heart and lung sounds. This technology can reduce
background noise by an average of 85%, but will not filter out important auscultation sounds.
Electronic stethoscope is compatible with both headset auscultation and Bluetooth recording
auscultation, which is convenient for doctors in clinical diagnosis or remote auscultation. The