When it comes to the rotary shaver, the name Philips Norelco comes first. The Philips Norelco is the world’s dominating rotary shaver brand in the current market. Rotary shavers are becoming trending day by day. The Philips Norelco 3100 S3310/81 Electric Shaver is a very affordable and the most popular Norelco and rotary shaver in the market. For this, it might be a great companion for a budget conscious men.