Sunny SF-T7705 Treadmill Review (Best Feature?)

Sunny Health & Fitness is known for their affordable treadmills, some of the most popular brands among walkers and joggers.

The Sunny SF-T7705 is an entry-level treadmill loaded with many exciting features (like auto incline, speaker, etc.), making it more appealing to walkers and light joggers.

Okay, but will it fit your needs? Is there any better option available in this range?

Read on the Sunny SF-T7705 treadmill review to know all the features, pros, and cons of this machine. We’ll also compare it with its competitors and give you our opinion so that you can make a sensible decision.

Sunny SF-T7705 Treadmill Review

Key Specs

Editors’ Rating:3.8/5
Display:LCD Screen
Tread Belt:15.5″ x 49″
Motor:2.2 HP
Speed:0.5-9.0 MPH
Cushion:Shock-Absorbing Technology
Incline:15% Auto
Folding: Yes
Item Weight:112 lb (50.8 kg)
Weight Capacity: 220 lb (99.8 kg)
Dimensions:64″ L x 27″ W x 50.5″ H
Folded Dimensions:39″ L x 27″ W x 56″ H
Connections:Bluetooth, AUX Port, SunnyFit App, Speakers
Programs & Monitor:9 Programs and Calories, Distance, Incline, Matrix/Laps, Pulse, Speed, Steps, Time
Warranty:3 Years Structural Frame, and 180 Days Other Parts and Components

Sunny SF-T7705 Treadmill: A Closer Look

Let’s look closely at the Sunny Health & Fitness SF-T7705 treadmill with auto incline.


The Sunny T7705 treadmill comes with an LCD screen that displays your training time, distance, calories, speed, incline, steps, and pulse. It also has 9 built-in programs.

This treadmill integrates pulse sensors and speed adjustment buttons on the handlebars so you can easily monitor your heart rate and adjust speed through your fingertip.

Another exciting thing about this treadmill is its built-in speakers, which you could rarely find in this affordable category. You can connect your device to the treadmill to enjoy music.


The Sunny SF-T7705 treadmill builds with a 2.2 HP quiet motor that runs up to 9 mph speed, making it ideal for walkers and occasional joggers.

One of the biggest highlights of this treadmill is its auto incline feature. This treadmill has up to 15% motorized incline, which is rear to see in budget models.

The incline is a very helpful feature to make your workout more challenging and experience a unique walking experience, great for burning more calories in a short period of time.


The SF-T7705 treadmill is equipped with a 15.5″ x 49″ trade belt, which isn’t so wider but may be enough for most casual walkers.

Also, it’s very gentle for knees and joints to walk on the treadmill as this machine integrates shock-absorption technology in its deck that soften the impact of your every stride.


This Sunny SF-T7705 treadmill gives a Soft-Drop hydraulic mechanism that safely and hand-free unfolds the deck and its transportation wheels and folding design, making it very convenient for small spaces.

This treadmill has a max weight capacity of 220 pounds.

Sunny Health & Fitness covered this SF-T7705 treadmill with a 3 years structural frame and 180 days other parts and components warranty. 

Watch Sunny SF-T7705 Treadmill in Action:

What We Like

Auto Incline: One of the main highlights of the Sunny SF-T7705 treadmill is its auto incline feature, which may not be found in this price range.

Speakers: This budget treadmill also lets speakers play music from your phone and comes with a cord to plug it in — rear to see in this category.

Pulse Sensors: Sunny T7705 treadmill integrates pulse sensors on the handlebars, allowing you to monitor your heart rate quickly.

Digital Monitor: In the LCD console, you can easily track your workout progress, and the added 9 preset programs help you train in various ways.

Speed: This treadmill has a speed of 9 miles per hour which is a typical jogging speed, which means you can also jog on it. However, tall users may find it challenging to jog as it has a slightly smaller deck.

Device Holder: It has a device holder option where you can hold your phone to follow along with your favorite fitness apps and videos. Large devices may not fit on the holder.

Soft-Drop System: This Sunny SF-T7705 treadmill comes with a built-in soft drop technology, helping you easily and safely unfold the deck.

What We Don’t Like

Deck Width: The deck width of this treadmill is slightly narrow, so if you have a wider walking style or want a more expansive deck, you may need to look for other treadmills.

Basic App: Sunny Health & Fitness offers the SunnyFit app with this treadmill, which isn’t so attractive.

Programs: Although it has a few preset programs, but doesn’t offer custom workout programs.

Weight Capacity: This treadmill can load up to 220 pounds, which might be a barrier for heavy people. If the capacity doesn’t match you, look for a higher-capacity treadmill.

Comparing with Competitors

Sunny SF-T7705Sunny SF-T7643XTERRA TR150
List Price< $500< $600< $500
DisplayLCD ScreenBacklit LCD5″ LCD screen
Programs9 programs plus calories, distance, incline, matrix/laps, pulse, speed, steps, timeTime, distance, speed, and calories burned12 preset programs, plus time, distance, speed, calories burned, and pulse
CushioningShock-absorbing technologyShock-absorbing bumpersXTRASoft cushioning
Deck Size15.5″ x 49″19.5″ x 44.5″16″ x 50″
Motor2.2 HP2.5 HP2.25 HP
Speed0.5-9.0 MPH0.5–6.0 MPH0.5-10 MPH
Incline15% AutoN/A3 Levels Manual
Item Weight112 lb143 lb108 lb
Max User Weight220 lb350 lb250 lb
Dimensions64″ L x 27″ W x 50.5″ H60.5″ L x 32″ W x 52.4″ H63.4″ L x 51.4″ H x 28.75″ W
Warranty3-year structural frame, 180 days other parts and components3-year structural frame, 180 days other parts and componentsLifetime frame, 1-year motor, 90 days deck, and 90-day labor
View at Sunny, View at AmazonView at Sunny, View at AmazonView at Amazon
Read ReviewRead Review

The Sunny SF-T7705 is best for people who want a walking treadmill with an auto incline and many exciting features and are OK with 220 pounds weight capacity.

Whereas the Sunny SF-T7643 treadmill’s biggest highlights are its 350 pounds capacity, wider deck, and heavy-duty frame, which means it’s perfect for heavy walkers.

On the other hand, the XTERRA TR150 stands out for its built-in programs, motor speed, and extended warranty, which is perfect for walkers who are OK with 250 pounds capacity.

You may notice that we highlight the weight capacity most. The reason is that getting a treadmill with a healthy gap (about 30 to 50 lb) between your body weight and the machine’s capacity helps you get a stable training experience and increase your machine’s durability/life in the long term.

Final Word

If we clarify again, the Sunny SF-T7705 can be for you if you’re looking for a high-feature walking treadmill at an affordable price and your body weight is under 200 pounds.

So… There we have it: Sunny Health & Fitness SF-T7705 Review.

If you’ve any questions regarding Sunny T7705 or any other treadmill, feel free to ask in the comment section below. We’d be glad to help you out!