If you work a desk job or you're worried about your lack of activity levels, you're not alone. Many people spend more than half of their day sitting; according to Healthline, the average US office worker sits for up to 15 hours per day[1]

Enter a combination of work and exercise that fits easily into the day: The treadmill desk. A treadmill desk allows you to walk as slowly as 0.5 mph or run at higher speeds while working. 

I chose the Costway Goplus 3-in-1 treadmill desk[2], which has an expansive speed range from 0.5 mph to 7.5 mph, supports body weights of up to 220 pounds, and a $429 price tag on Amazon. (It's currently on sale for $399[3].) After two months of use, here's how my experience with the treadmill desk has been and why I think it is worth every penny. 

Specifications

Overall dimensions

50.5 x 26.5 x43 inches (LxWxH)

Speed

0.5 mph to 7.5 mph

Weight capacity

220 pounds

Package includes

Treadmill with clear acrylic panel desk, phone holder, remote control, safety key, built-in Bluetooth, power cord, and manual


Initial impressions

My dad assembled the Goplus treadmill desk for me and it took him about 30 minutes. It wasn't difficult to assemble, but the machine did refuse to work at first. We were both stumped: The display showed "---" even though the power was on. 

The fix turned out to be extremely simple: The magnetic safety clip -- which signals the treadmill to turn off when it gets tugged and detaches from your shirt -- needed to be connected to the treadmill for it to start. From the Amazon reviews I read, many customers were confused by this same

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