beard straightener for men, ionic beard straightening comb with anti-scald feature, heated hair straightener brush for men & women, portable beard brush straightener fansrocck <b>temperature range:</b>338°f/170°c to 410°f/210°c <br> <b>input voltage:</b> 120–240v ac<br> <b>power:</b> 45w <br> <b>size:</b> l7.4 in*w1.44 in *h0.6 in<br> <b>weight:</b>0.338kg<br> <b>heater:</b>metal ceramic heater (ptc) <br> <b>heating time:</b> 30s heat up to 338°f<br> <br> <b>instructions</b><br> 1. make sure both hair and beard are completely dry before use <br> 2. simply plug in, turn it on and select the appropriate temperature. <br> 3. wait for approximately 30 seconds before use. <br> 4. slowly stroke through the hair and beard, from roots to the ends until desired smoothness is achieved. <br> 5. multiple strokes through the same strands will not damage the hair. <br> 6. after using the beard straightening comb, turn it off and wait for it to cool down before attempting cleaning. <br>