User's Manual

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Chapter 02 Product Specification
ITEM
Parameter
Battery Specifications
Battery Type
3.7V/2000mAh lithium ion polymer battery
Battery Operation Time
60 Hours
Battery Use-life
300 cycles
Charging Time
4 hours
Technical Specifications
Binaural headset
YES
Chest-piece
YES
Sound processing
Digital signal processor
Display Screen
1.3’ Color OLED
Low Battery Indicator
YES
Automatic Power Off
No
Volume Control
1-3 level
Sound Amplifier
Amplifies up to 4X
Signal Sampling Rate
8 kHz
Frequency Response
Heart Sound Mode:20-500Hz
Lung Sound Mode: 200-2000Hz
Total harmonic distortion
＜3%
*Sound Attenuation
100-500 Hz: ≦12dB
500-1000 Hz: ≦20dB
Intuitive keypad
NO
Direct Listening
Only transferred via headset
Recording and Playback
Not on the device itself
Wireless Technology
Bluetooth® at 2.4GHz
Dimension
Ø58mm×78mm
Safety Classification
Electric Shock Protection Type
Internal power supply equipment (A
rechargeable 3.7V/2000mAh lithium ion
polymer battery), or
Input 0.2A/5VDC
Electric Shock Protection Level
BF
Liquid Access Proof Level
IP22
Bluetooth Specification
Version
Bluetooth® 4.0
RF frequency
2.4GHz
Maximum Output Power
-20-4dBm
Frequency Range
2402-2480 MHz
Transmission rate
1M/S
Single-channel bandwidth
1Mbps
Transmission Distance(Max.)
3 m
* Note:The Sound Attenuation is the essential performance.
510(K) Response to Deficiency on K191667-S001
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