Upgrade Deep Head Massager The Handheld Head Massager has 4 removable brush head attachments with 76 independent nodes. The brush head is made of food-grade silicone material, so it is soft and comfortable. 2 Modes and Smart Timer â?? 2 modes: rotation, rotation + vibration. It will automatically turn off after 15 minutes, reminding you to change the area â??ensures you wonâ??t over do the massage. IP66 Waterproof The whole body of Handheld Head Massager is made from waterproof material; you can enjoy head massage while taking a shower or bath (the charging base is not waterproof).