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Description
FD320 Fetal DopplerListen and even record your baby's heartbeat at home or on the go from as early as 12 weeks of pregnancy! It has the same capabilities as the FD300 but with a few more additional features listed below. Give yourself the peace of mind that your baby is safe and well at all times throughout your pregnancy. Package Includes: FD320 Doppler Body 3 Mhz, 2 Mhz, or 8 Mhz Probe Headphones 60 Gram ultrasound gel tube (supplies over 50 tests) 2 AA Batteries 1
Listen and even record your baby's heartbeat at home or on the go from as early as 12 weeks of pregnancy! It has the same capabilities as the FD300 but with a few more additional features listed below. Give yourself the peace of mind that your baby is safe and well at all times throughout your pregnancy.
Package Includes:
- FD320 Doppler Body
- 3 Mhz, 2 Mhz, or 8 Mhz Probe
- Headphones
- 60 Gram ultrasound gel tube (supplies over 50 tests)
- 2 AA Batteries
- 1-Year Warranty
1 Year Warranty & 30 Day 100% Money Back Guarantee if you're not fully satisfied.
The FD320 Fetal Doppler features a high-resolution LCD for displaying a real-time FHR waveform and fetal heart rate reading. The doppler uses premium components such as an ultrasonic signal transmitter and receiver, an analog signal processing unit, FHR calculating unit, and an LCD control unit, etc. The unit's color-coded alarm feature automatically alerts to FHR measurements detected outside the normal range. Interference-free audio output through the headphone jack allows for clear audio recording and supports external headphones or speakers.
The FD320 has three working modes: real-time FHR display mode, averaged FHR display mode, and manual mode. This baby doppler also includes continuous monitoring for up to 8 hours of working time usage. The water-resistant probes are interchangeable and can be chosen based on the requirements of each user. For most full-term pregnancies, the 3.0MHz probe suits most early-term and general-purpose pregnancies. The 2.0MHz late-term pregnancy probe accommodates depths of 10cm or more.
- Mode 1: A heart icon is displayed when the heartbeat is detected and the real-time heart rate is displayed numerically
- Mode 2: A heart icon is displayed when the heartbeat is detected and it averages the heart rate for a more stable reading
- Mode 3: This mode allows the user to calculate an average heart rate over a specific period of time by manually pushing a button to start & stop the time
Features:
- FDA & CE Approved
- Listen through the powerful built-in speaker or with headphones
- Easy to read LCD screen with on/off back light mode
- Digital fetal heart rate displayed
- Auto-off feature & low battery consumption to ensure many hours of usage
- Battery icon indicating remaining battery life (AA batteries)
- Weighs less than 1/2 a pound
- Compact design with buttons designed to withstand repeated usage without wearing or breaking
- * Recording/Audio Cable is optional
- Colored LCD high resolution display
- Heartbeat wavelength display and bar graph
- Color coded alarm changes to red when the fetal heart rate range is out of the normal range
Choosing Probes:
- 3 Mhz: The 3 MHz is an early term and general purpose Doppler probe. It will work very well through most full-term pregnancies. A 3 Mhz is more sensitive than a 2 Mhz probe and can pick up a baby's heartbeat as early as 8-10 weeks gestation.
- 2 Mhz: Designed to accommodate late term pregnancies since it works best at 10 cm and larger depths.
- 8 Mhz: The 8 MHz probe is designed for Vascular monitoring and provides vein blood flow and artery detection. This probe provides the highest resolution and detects a broader range of frequencies than the other probes. The probe's intended use is for examining surface vessels.
Watch over 6,000 tutorials and reviews from our customers here
View Instructions
Digital sound recording. You will be able to record those first sounds for life and record your unborn baby's heartbeat. It can not only be recorded using a computer but also stored on cassette or CD.
This product is not a diagnostic instrument. It is not an approved device for the treatment or prevention of medical conditions. All activity that is monitored and viewed with the device should not be considered a medical conclusion. The use of the machine provides audio and heart rate value that is for non-medical purposes only. For questions regarding medical conditions, please consult with a medical health professional.
Safety
| Complies with: | IEC 60601-1:1988＋A1:1991＋A2:1995 |
| Anti-electroshock Type: | Internally powered equipment. |
| Anti-electroshock Degree: | Type B applied part |
| Harmful Liquid Proof Degree (Main Unit): | Ordinary equipment (sealed equipment without liquid proof) |
| Probe: | Prevent from water splashing, degree of protection: IPX4 |
| Degree of Safety in Presence of Flammable Gases: | Equipment not suitable for use in presence of flammable gases |
| Working System: | Continuous running equipment |
| EMC: | Group I Class B |
| Suitable Using Range: | Suitable for use after the 12th week of pregnancy |
Physical Characteristics
| Size: | 135mm (Length) *92mm (Width) *29 (Height) mm |
| Weight: | About 245g (including batteries) |
Working Environment
| Temperature: | +5℃ - +40℃ |
| Humidity: | <=80％ |
| Atmospheric Pressure: | 70 kPa - l06kPa |
| Transport and Storage Temperature: | -10℃ - +55℃ |
| Transport and Storage Humidity: | <=93％ |
| Display: | 45mm * 25mm LCD display |
| FHR Measuring Range: | 50-240BPM (BPM: beat per minute) |
| Resolution: | 1BPM |
| Accuracy: | (+/-)2BPM |
| Power Consumption: | <0.8W |
| Auto Shut-OFF: | After 1 minute no signal, power off automatically |
| Battery Type Recommended: | Two pieces of 1.5 V DC battery (SIZE AA LR6) |
Probe
| Nominal Frequency: | 2.0MHz or 3Mhz |
| Working Frequency: | 2.0MHz(+/-)10% or 3Mhz |
| P-: | <0.5MPa |
| Iob: | <10 mW/cm2 |
| Ispta: | <50mW/cm2 |
| Ultrasonic Output Intensity: | Isata<5 mW/cm2 |
| Ultrasonic Output Power: | P < 10 mW |
| Working Mode: | Continuous Wave Doppler |
| Effective Radiating Area of Transducer: | 157mm2 (+/-)15% |
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.8 ★★★★★
Based on 17 reviews
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Product Reviews
★★★★★ 5
I don’t often leave reviews, but this exceeded my expectations and I LOVE it!!! I NEEDED it!
Style: MULTIBALM
I don’t review things unless they REALLY “wow” me, rare, lol. My eyes had been watering for about a month from allergies, then last week my eyeballs were literally hurting so badly, which that had never happened to me before. So I got eye drops made with ketotifen (from the Walmart App) and it got rid of the pain in my eyeballs and stopped symptoms immediately, thank goodness. Then, from the constant watering, rubbing, dabbing and wiping my eyes, alll above, below and around my eyes became raw and chapped, burning and painful. I tried everything! Aquaphore, Goldbond, Pili Ani, and a lot of other brand name high quality face washes, moisturizers, masks, creams, oils and nothing was helping and some seemed to make it even worse. I saw this product and after reading the reviews, decided to give this one last shot before going to a Dermatologist. The moment I applied it, I felt INSTANT relief and soothing. I also was surprised to literally feel it tighten the skin! This morning I woke up to use it, day 3, and before I did I noticed my skin was so much better!!!…No longer painful, discolored or swollen & puffy, the skin was still silky soft from applying it last night, and my orbital skin is 97% better!!! The pink/red/purple has gone away, it’s no longer tender/burns to the touch, and you can literally feel it nourishing and tightening your skin. After begging, my husband let me try it on his skin (lol) just to make sure I wasn’t going koo koo. He noticed too! And commented about how soft it is! Yes~Exactly! It makes your skin like SILK! It is a tad oily when you first put it on, but it “settles” quickly into a gentle softness and doubles as a primer before you apply your makeup! It smooths out your pores and makes your skin so smooth. Just this morning was the first time I applied makeup with it and was pleasantly surprised. I have tested it putting it on the top of one hand and nothing on the other, timed an hour and WOWWWWW the difference in undeniable! I personally recommend using it after washing your face before you put anything else on (moisturizer, makeup, etc). As long as you give it 10-15 minutes to let it absorb and settle, you’re good to go with or without makeup! I’m just really glad I found this because that skin is so sensitive and NEEDS this type of care. This product gets a solid 5 stars from me and I’m excited to make it part of my morning and evening routines! : )
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Reviewed in the United States on May 5, 2026
★★★★★ 4
Excellent Formula, but the Product Runs Out Far Too Quickly
Style: MULTIBALM
The balm is genuinely hydrating, smooth, and very convenient to use. It applies beautifully, gives the skin a healthy glow, and works well on dry areas, lips, and the face overall. The texture feels comfortable and nourishing without feeling overly heavy or greasy.
My only major disappointment is the value for the price. Even using a very thin layer across the face once each evening, one stick lasted only about a week. I purchased two of them, and both were exactly the same, so this was clearly not an issue with a defective or partially filled tube.
If you intend to use it regularly over the full face, expect it to run out extremely quickly. I purchased mine during a significant sale, and even at the discounted price I still felt disappointed by how little use I got from it.
Overall, the formula performs well, but the quantity does not justify the regular price for consistent daily use.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 24, 2026
★★★★★ 5
Convenient Hydrating Balm for Quick Touch-Ups
Style: MULTIBALM
Really enjoying this balm stick so far. It’s super convenient to toss in a bag and easy to apply throughout the day whenever my skin feels dry or needs a little glow. It glides on smoothly and gives a hydrated, dewy look without feeling heavy.
I especially like using it on dry areas and around fine lines for a quick refresh. The packaging feels nice quality too. Great skincare item for easy on-the-go use.
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Reviewed in the United States on May 14, 2026
★★★★★ 3
Hydrating moisturizer with pleasant scent
Style: MULTIBALM
Update:
I’ve now used 2 sticks. I won’t be buying again. Although I like how convenient this moisturizer is, the price is too high for the amount you get. Also, going through another stick, I’ve noticed no signs that it helps with fine lines or wrinkles. This product is simply an on the go moisturizer or even a highlighter. But I can use castor oil and Vaseline for that. I had to deduct a star.
So far, this moisturizing stick has been a great and convenient addition to my routine. It glides on smoothly and has a light, pleasant scent. The formula is definitely hydrating and leaves my skin feeling soft.
It does go on a bit oily or greasy at first. If that bothers you, rubbing it in helps, though it doesn't absorb immediately—so expect a bit of shine for a while after application.
As a moisturizer, it works well and I would definitely recommend it for anyone looking for a quick, on-the-go option. I haven’t noticed any additional benefits yet (like long-term improvements in skin texture or tone), but it might be too early to say. I’ll update my review if anything changes with continued use.
I do have a couple of concerns. First, the price—it feels expensive for the amount of product you get. Second, I’ve seen some people compare this to Botox, and I’m not sure why. It’s definitely not a substitute, and expecting those kinds of results just isn’t realistic. Along those lines, the product name—“Wrinkle Bounce”—may be a little misleading. While it’s hydrating and may temporarily plump the skin, it doesn’t deliver dramatic wrinkle-reducing effects.
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Reviewed in the United States on June 2, 2025
★★★★★ 5
Youthful, even skin!
Style: MULTIBALM
I’m loving this stick! I almost sent it back after the first two days but I’m so glad I didn’t. This has really helped me look more refreshed. It’s def helped with shallow lines. Overall it’s made me skin more even. It’s very oily and it sits on your skin so I use it before bed. But I’ve noticed it’s helped balance my skin. I usually get really oily during the day but oddly as oily as this is it keeps my skin from getting oily during the day under my makeup. My makeup looks more even. It’s just overall been great for my skin and it’s made me look younger. Def recommend!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 21, 2026
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