MIRROR is so much more than a mirror.

By Renee Cherry

Livestreamed workouts are an assumed trade-off: On one hand, you don't have to put on real clothes and leave your house. But on the other, you lose out on the personalized instruction you'd get from showing face.

A new device, MIRROR, is aimed to make streaming less of a one-way conversation. The digital mirror displays live and on-demand workouts including cardio, strength, yoga, Pilates, barre, boxing, and stretching. Unlike traditional streaming devices, MIRROR can tailor your workout to you personally and provide feedback based on your stats. (Related: These Boutique Fitness Studios Now Offer At-Home Streaming Classes)

How?! You set the mirror against or mount it on a wall. From there, you input your goals, biometrics, preferences, and injuries and it adjusts your workout accordingly. You can choose from over 50 new classes per week livestreamed from a New York studio, or play previously recorded classes on-demand. The instructor demos the moves right on the mirror, and their vocal instructions come through the device's stereo speakers. It can connect to your Apple Watch or a Bluetooth heart-rate monitor (one comes complimentary with your MIRROR purchase) to track your heart rate-and the device will actually encourage you to work harder if you're below your target heart-rate zone. If you tend to go beast mode in classes but half-ass your way through home workouts, the feature could be a game-changer. (Check out this livestreaming fitness platform that will change the way you exercise forever.)

It's not just the device that cheers you on: Your trainer can tell how you're doing and motivate you. "During a live class, I can see the information clients fill out in their intake survey along with the user's heart rate, where they live, and milestones of their experience (such as how many classes they've taken and their birthday)," says Alex Silver-Fagan, a Nike Master trainer who teaches classes on the device. Using that info, she can give shoutouts to users and encourage them to hit their heart-rate targets, she says. In the future, you'll be able to sign up for one on one sessions too and communicate with your trainer via the built-in microphone and camera, according to the company's site. (Related: How to Find the Best Personal Trainer for You)

Bonus perk: Unlike other bulky pieces of workout equipment, this just looks like a regular mirror when you're not working out. So you can put it in your bedroom or living room without ruining the decor.

The mirror costs $1,495, and it's $39 per month for a streaming subscription. Pricey, but if you take a lot of à la carte boutique classes, you'll end up saving in the long run. It's available now at mirror.co.