- Exercise your core while strengthening your legs simultaneously

pressing a custom button to activate this function triggers an automatic zoom-out to help in finding the subject again quickly

accented with minimal bezels

high-frequency audio response (up to 50 kHz)

Selectable 33/45/78 RPM speeds

Simmons Beautyrest Black King 5.5" Low Profile Foundation 700810023-6060 (Must Order 2) 5009 - Exercise your core whileBeautyrest Black is our premier line; and proudly features our greatest innovations; so you can wake up feeling your very best every day. Beautyrest Black Foundation offers the very best support for your Beautyrest Black Mattress. Please note due to hygienic and health regulations we are unable to accept returns for this product. All mattresses are custom built by Simmons at the time of your order.