Reasons to have bt baby monitor the bt baby monitor 100 also includes many great features such as dect digital technology polyphonic lullabies rechargeable batteries and a flash light on the parent handset high definition sound gives you a new level of sound quality so real it sounds like your baby is in the room with you sleek stylish design not just practical and packed with features for your peace of mind but with its sophisticated clean lines and styling it looks great in any room