Very good material. To the touch, it is robust (much better than similar devices from Philips brand)! In use, it's perfect! The sound quality is good and powerful. The features are interesting, but without innovation (copy the directory to other handsets, hands free ...). Autonomy is now quite satisfactory (at least for normal use). Next delivery, there is nothing wrong: deadlines, packaging are correct. A reproach (having read and reread the instructions, it does not seem possible - {: there is no visual alert on the screen to indicate that a message is left ... It's a shame. so you have to call the 3103 time to time ...