OutsideWorld Bluetooth Smartwatch Fitness Tracker: Blood oxygen monitoring
Ever feel like you're juggling too many health gadgets? Meet your new sidekick—the Bluetooth Smartwatch. It's not just a pretty face (though, let's be honest, it does look good on both men and women). This watch is like having a mini health coach on your wrist, minus the motivational speeches at 5 AM.
- First up, Blood Oxygen Monitoring—because knowing your SpO2 levels is kinda a big deal these days.
- Then there's the Heart Rate Tracking that keeps an eye on your ticker 24/7, so you're always in the loop.
- And for those who count sheep, the Sleep Analysis feature breaks down your snooze fest into actual useful data.
- Oh, and it plays nice with your phone too—Bluetooth Connectivity means you won't miss a beat (or a text).
- Heart rate tracking
- Sleep analysis
- Bluetooth connectivity
- Unisex design
- Blood oxygen monitoring
General specs
- Brand: OutsideWorld
- Seller: Joom
- Connectivity: Bluetooth
- Monitoring Features: Blood oxygen, Heart rate, Sleep
- Design: Unisex
- First listed by seller: 5/23/25
If you are interested in more details, you can find full information on the seller's page.
Shipping options
United States
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Bluetooth Smartwatch Fitness Tracker Blood oxygen monitoring
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OutsideWorld K1 1.3-inch display
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| Brand | OutsideWorld | Home of smartphone & tablet accessories | TYKOIT | OutsideWorld | ||
| Model | K55 | K1 | ||||
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| Price | $49.54 | $17.89 | $42.99 | $36.93 | $21.99 | $50.79 |
| Seller | Joom | Sunsky | Gshopper | Joom | Amazon | Joom |
| Update | August 19, 2025 | August 16, 2025 | August 26, 2025 | August 22, 2025 | June 27, 2025 | August 19, 2025 |
| Connectivity | Bluetooth | Bluetooth | Bluetooth | |||
| Display | 2.01 inch TFT square screen | AMOLED | 1.78 inch AMOLED touchscreen | |||
| Health Monitoring | Heart rate, Blood pressure, Blood oxygen | Blood pressure, Oxygen levels, Heart rate, Steps | Heart rate, Blood oxygen, Sleep tracking | |||
Bluetooth Smartwatch Fitness Tracker
Jason K.
Seattle, WA
June 2, 2025
as an older guy who's been loyal to outsideworld for years i was hoping this would be a great addition but it falls short the health tracking is helpful but not reliable and it doesnt hold up well over time i use it for gaming and it often disconnects or lags which is frustrating overall it seems okay but not worth the hype i might stick with my old gadgets for now
- Pros: i like that it looks good on my wrist and seems awesome for keeping an eye on my health stuff like blood oxygen and heart rate all day it connects to my phone super easy so i dont miss messages
- Cons: the sleep analysis seems not very accurate and it feels a bit cheaply made the battery doesnt last long and it can be glitchy with my games which is a bummer for the price