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Ships within 48 hours · Estimated delivery Aug 7 - Aug 12
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Description
K56 Pro 1.39 inch Smart Steel Strap Wristband Support Heart Rate Monitoring / Blood Pressure Monitoring, Steel Strap (Black Milanese), Steel Strap (Black Three Strains), Steel Strap (Black Bamboo Joint)1. Functions: Custom dial, Bluetooth call Bluetooth music (ultra clear sound quality), weather display, heart rate detection, blood pressure detection, blood oxygen detection, all day heart rate detection, time display, step counting, calories, distance, heart rate, blood pressure , blood oxygen, sleep time, on off display, stopwatch, multi sport mode, sleep monitoring (sleep time, sleep quality), electric notification, information reminder, multi
1. Functions: Custom dial, Bluetooth call/Bluetooth music (ultra-clear sound quality), weather display, heart rate detection, blood pressure detection, blood oxygen detection, all-day heart rate detection, time display, step counting, calories, distance, heart rate, blood pressure , blood oxygen, sleep time, on/off display, stopwatch, multi-sport mode, sleep monitoring (sleep time, sleep quality), electric notification, information reminder, multi-language push, alarm clock reminder, remote camera, sedentary reminder2. Screen size: 1.39 inch IPS square screen with full viewing angle
3. System requirements: Android 4.4 and above, IOS 8.0 and above, support Bluetooth 5.0
4. Bluetooth version: BLE 5.0
5. Main control chip: Ruiyu 8762DK
6. Memory: 128MB
7. Screen resolution: 360x360
8. Heart rate chip: 3605
9. Speaker chip: 0916
10. Battery capacity: 400mAh large battery, standby time: about 30 days
11. Working time: about 5-10 days
12. Supported languages: English, Chinese, Japanese, German, French, Spanish, Arabic, Russian, Ukrainian, Russian, Portuguese
Specification:
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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
- 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
4.2 ★★★★★
Based on 25 reviews
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Product Reviews
★★★★★ 4
Squeaker broke after 3 days
I have a Boston terrier that destroys every toy! Thought we would try this one out. He really liked it. Squeaker was really good. Was is the key word after 3 days. Yes he broke it. But the rest of it is standing up so we'll have to see. I got it on sale for only $2. I wouldn't pay much more for it otherwise
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Reviewed in the United States on September 11, 2025
★★★★★ 5
Toy for pups joys
I didnt read the description properly and thought i was ordering a set. As for the product itself, my dogs love it!!! Built well, loud squeaker and durable for pups who are "RUFF" lol rough the only problem regarding this product is I didnt order the a actual set of them
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Reviewed in the United States on April 18, 2026
★★★★★ 5
We have a new favorite
It is a soft rubber material with a really loud squeak. Asuka loves to run around the living room squeaking over and over. She loves it so much she hasn’t shared it with the humans yet. She is an aggressive chewer and it is holding up well.
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Reviewed in the United States on January 11, 2026
★★★★★ 5
Nylon dog chew
Color: 2PC-Bacon-Green, Color: 2PC-Bacon-Green
Crafted from high-impact, heavy-duty virgin nylon, rugged toys are engineered to withstand intense pressure without splintering. A must-have for medium to large breeds, combining extreme durability with a sleek, premium aesthetic
It is "Aggressive Chewer Approved" for powerful breeds including Pit Bulls, Husky, German Shepherds, Golden Retrievers, Rottweilers, Belgian Malinois, Labradors, and Poodles (25-80 lbs)
Specially tailored to canine dental anatomy, our chew toys feature integrated nubs for toothpaste application.
Featuring a unique 4-apple-head design and multi-textured surfaces, these toys maximize contact to enhance natural teeth cleaning. Every satisfying gnaw acts as a professional dental scrub, helping to freshen breath and support healthy gums for even the most aggressive chewers
Infused with authentic, long-lasting bacon aroma, this toy taps into your dog’s natural cravings. It serves as a comforting companion that helps soothe separation anxiety and calm your furry friend when they are home alone, redirecting destructive energy into healthy chewing
Strengthen the bond with your loyal companion! PETKN interactive toys are designed to prevent boredom and combat the "lonely blues" during solo time. Use them for bonding play to boost your dog's confidence and keep their mind sharp and active
For maximum hygiene, these functional puzzle toys are top-rack dishwasher safe. The ergonomic apple-shaped ends are perfectly contoured for a steady paw-grip, making them ideal for both indoor mental exercise and vigorous outdoor interactive games
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Reviewed in the United States on May 19, 2026
★★★★★ 5
Enthusiastic Chewer Approved
Color: 2PC-Bacon-Green, Color: 2PC-Bacon-Green
You would think that a two pack of chew toys would be a great option for a household with two aggressive chewers but the dogs still fight over the toys. They seem to really love them an are choosing these first among several tough chew toy options.
I can't speak to whether there is a bacon flavor but they did seem to have a slightly smoky smell to them when they arrived.
The girls have been working hard on them for about a week and while they certainly show teeth marks, they appear to be holding up well. The size is nice for medium to large dogs and the shape lets them hold on to it while getting an angle at the apple knobs on the opposite end.
The only downside, if I had to name one, is that they are heavy and if (when) your bestie drops the toy on your bare foot, it smarts.
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Reviewed in the United States on May 24, 2026
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