Complete with a white-finished surround and warm wood mantel, Koa is an electric fireplace with traditional charm and lots of modern, customizable options. Use the remote or Bluetooth-enabled Real Flame Smart Tech app on your phone to set your desired color of more than 50 options each for flame or embers, flame speed and brightness, temperature and time, or choose the heatless flame option when you want the look but not the feel of fire.