# Anker 747 USB-C Charger > This fitness tracker (likely the Oura Ring) is an excellent choice for those seeking a combination of fashion and function in their wearable tech. It excels in sleep tracking and heart rate monitoring *Published: 2024-09-17 | Updated: 2024-09-17 | Source: https://shopsavvy.com/products/anker-747-usb-c-charger* --- **Brand:** Anker **Price Range:** $61.78 - $104.99 across 14 retailers ## Expert Summary This fitness tracker (likely the Oura Ring) is an excellent choice for those seeking a combination of fashion and function in their wearable tech. It excels in sleep tracking and heart rate monitoring while being comfortable and discreet. However, its accuracy in sleep tracking can be hit or miss, particularly for users with specific sleep conditions, and the monthly subscription fee might be seen as an additional burden. For alternatives, you might want to compare it with the Fitbit Charge 5 if comfort and discretion are top priorities. ## Pros - Provides detailed insights into sleep patterns, helping to improve sleep quality and daily energy levels. - Tracks heart rate and fitness levels without being bulky or flashy, making it suitable for gym and casual use. - Sleek and stylish design that remains discreet, comfortable enough to wear throughout the day, during workouts, and while sleeping. - Offers 5-7 days of battery life, allowing for a convenient, set-it-and-forget-it experience. - More comfortable and discreet compared to other fitness trackers, such as the Fitbit Charge 5. - Combines functionality and fashion, making it a great choice for those seeking an effective yet subtle fitness tracker. - The Oura ring is multifunctional and enjoyable to wear daily. ## Cons - Accuracy of sleep tracking needs improvement, particularly with narcolepsy. - Sometimes inaccurate in detecting sleep onset and sleep cycles. - Considered pricey, especially for variations in color. - Monthly subscription fee is viewed as unnecessary. ## Common Questions ### How compact is the Anker 747 Charger GaNPrime 150W compared to other chargers? The Anker 747 Charger GaNPrime 150W is pretty impressive when it comes to packing a lot of power into a small package. It can handle up to four devices at once, including two laptops, which is great if you're juggling multiple high-power gadgets. This charger has 150W GaNPrime tech behind it and sup... [Read full answer](https://shopsavvy.com/answers/how-compact-is-the-anker-747-charger-ganprime-150w-compared-to-other-chargers) ### Is the Anker 747 Charger GaNPrime 150W compatible with MacBook Pro? Yep, the Anker 747 Charger GaNPrime 150W works just fine with a MacBook Pro(https://www.shopsavvy.com/redirect?url=https%3A%2F%2Fwww.amazon.com%2Fs%3Fk%3Dmacbook%2Bpro%26tag%3Dssw.ans.tx-1-20). According to the manufacturer's description, it can deliver up to 100W from a single USB-C port, which i [Read full answer](https://shopsavvy.com/answers/is-the-anker-747-charger-ganprime-150w-compatible-with-macbook-pro) ### How many devices can the Anker 747 Charger GaNPrime 150W charge simultaneously? The Anker 747 Charger GaNPrime 150W can charge up to four devices at once, according to the manufacturer's description. It's got two USB-C ports and two USB-A ports, so you've got a good mix to work with. One of the USB-C ports can deliver up to 100W when you're charging just one device, which is g... 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