Smart Body Scale measures 28 Body Composition metrics, including BMI, Body Fat, and Muscle Mass. The 8-electrode design provides Full-body Analysis and syncs with an app via Bluetooth. It’s retailing for $79.99. However, by redeeming the $17.50 clippable coupon and promo code Y382MR65, you can grab them for $39.99. The code is available only for the 8 Electrode option.