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Description
RZ-100S9 LED Fetal Doppler Ultrasound Sound Baby Heartbeat Detector Monitor Digital Prenatal Pocket Fetal Doppler Stethoscope, RZ-100S9Feature 1. Battery status indicator 2. Low power inspection of the battery 3. Built in speaker 4. The probe can be changeable 5. Probe inspection 6. Auto shut off 7. Can adjust the volume level Specification 1. Product Name: RZ 100S9 2. Safety: in accordance with IEC60601 1: EC60601 2, EC60601 3. 3. FHR measurement range: 50~240BPM (beats per minute) 4. Resolution: 1 BPM 5. Accuracy: + 1BPM 6. Power: 2 AA batteries (not included) 7. Size: 130x100x36mm
Feature1. Battery status indicator
2. Low power inspection of the battery
3. Built-in speaker
4. The probe can be changeable
5. Probe inspection
6. Auto shut off
7. Can adjust the volume level
Specification
1. Product Name: RZ-100S9
2. Safety: in accordance with IEC60601-1: EC60601-2, EC60601-3.
3. FHR measurement range: 50~240BPM (beats per minute)
4. Resolution: 1 BPM
5. Accuracy: +/- 1BPM
6. Power: 2 AA batteries (not included)
7. Size: 130x100x36mm
8. Weight: about 250g
9. Working temperature: 5~40 degree C
10. Working humidity: <80%
11. Storage temperature: -20~60 degree C
12. Storage humidity: <93%
Specification:
| Package Weight |
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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
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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
4.3 ★★★★★
Based on 20 reviews
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Product Reviews
★★★★★ 5
Great toy my dog loves!
Color: 12 Tennis Ball
My dachshund, Winston, loves these balls because they squeak and of coarse it’s a ball. Only thing is he is destructive and the squeaker doesn’t last long but by far his favorite toy.
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Reviewed in the United States on February 26, 2023
★★★★★ 4
Balls need to squeak out of the box
Color: 12 Tennis Ball
The squeaky ball lights up the faces of my dog shelter furiends, they love to fetch and chew the ball to make it squeaky. I have been buying these balls for about a year now. They don’t last long with some of the dogs, but the joy is worth the price.
Lately some of the balls do not squeak right out of the box but many of the balls are fine. Returning the box doesn’t make sense because I used some already so I thought I would comment, dropping one star so far.
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Reviewed in the United States on July 21, 2025
★★★★★ 5
Nicer than I expected
Color: 12 Tennis Ball
Much more sturdy than other "squeaky" balls of this type. I love that they have an internal or covered squeaker, so I don't have to worry about my dog chewing it and swallowing a plastic squeaker. But ... what I find as a plus, my dog sees as a minus, since one of his favorite thing is to chew a ball until it stops squeaking. They come in a plastic net bag, which is very handy for storage also.
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Reviewed in the United States on March 14, 2023
★★★★★ 1
Squeaks break immediately
Color: 12 Tennis Ball
Squeaks break almost immediately, even with very light chewing. Some are so badly made that the squeaks break after one or two squeezes. Get Kong balls instead.
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Reviewed in the United States on April 1, 2026
★★★★★ 3
Nice balls but arrived with a bad chemical smell
Color: 12 Tennis Ball
Wonderful Product!!! The balls themselves are amazing and the squeaker in them my dog loves.
I am giving them only a three star because they arrived and they SMELL like chemicals so bad!!! I was afraid to give it to my dog so i washed one out and put it up hoping the chemical smell will go away. This not good for a dog as unknown chemicals can make them really sick. Whatever amazon is spraying on their stuff it's not good
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Reviewed in the United States on April 1, 2025