This amazing device allows any soon to be mommy to hear the baby's heartbeat with ease and reduced static. The back-lit LCD Screen displays the baby's heart rate (FHR), and an audible sound is heard in real-time from the built-in high-quality speaker. It has three built-in modes that allow the user to view the heart rate in different display modes. This heartbeat listener is suitable for use after the 12th week of pregnancy. It gives you peace of mind and reassurance throughout the rest of the 28 weeks! This unit is equipped with an audio output for headphones or sound recorders (headphones or recorders not included). This is not a medical device and is sold as a baby heart sound listening tool for novelty 's heartbeat whenever they want, even when they are out and about!. It is battery operated so it is fully portable and amazingly lightweight - with only 2xAA batteries required it can continuously run on for at least 10 hours.
1) Delicate and compact design, portable and easy to use
2) Crooked probe structure, which is easy to operate and increases the feeling of comfort, embodies the humanized design.
3) High precision FHR digital LCD screen
4) Probe falls off detection, battery status indication
5) Pluggable USB probe interface, probe can be replaced
6) Automatic shutdown: The device will automatically turn off if there is no signal within 1 minute.
7) Audio interface: Can be connected to other recording devices by recording cable, record fetal heart sound in real-time
8) Two 1.5V batteries (AA LR6) can last more than 8 hours for normal use
1) Safety classification: internally powered equipment, type CF applied part
2) Range of fetal heart rate: 50 BPM ～ 240 BPM (BPM: beats per minute)
3) Resolution: 1 BPM
4) Accuracy: ± 2 BPM
5) Power consumption: ＜1 W
6) Rated operational voltage: DC3 V
7) Battery: two 1.5V batteries (type: AA LR6)
8) Nominal Frequency: 2.0 MHz
9) Working Frequency: 2.0 MHz ± 10%
10) Maximum Output Sensitivity: ≥90 dB
11) Ultrasonic Output Power: P ＜ 20 mW
12) Negative Peak Sound Pressure: P_ ＜ 1 MPa
13) Output Beam Intensity: Iob ＜ 20 mW/cm2
14) Spatial-peak Temporal-average Derived Intensity: Ispta ＜ 100 mW/cm2
15) Working Mode: Continuous wave doppler
16) Effective Radiating Area of Transducer: < 157 mm2
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