A microphone? You’re getting colder… no, you’re getting warmer: we all played with it in this way… I introduce you Avon Advance Techniques Sphere Brush, a hair styling tool with a fun and unusual shape that might leave people wondering. This brush adds volume, does hair-set and, most of all, creates natural-looking waves.  Avon’s Sphere Brush is a lightweight and easy to handle hair tool, which weighs just around 80 grams and it’s about 24 cm long; it has an anatomical and non-slippery handle. It’s black with fuchsia details and its material has a velvety texture. This brush has nylon bristles and its head is perforated allowing hot and cold air…