<ul><li>Massage hamlet for head massage, improves sleep disorders, headache and relaxing. The massager does a good job of making you feel like it's a human massage by using air for pressure points and vibration combined with heat, etc.</li><li>4 relaxing programs: deep massage, vibration, heat and music. You can choose which options to use and which to not use, or choose to use all four at once. There are many options and settings in this helmet, even for heat and music.</li><li>Adjustable diameter of hamlet to meet different head size - 3 adjustable knobs on massager to adjust hamlet's size - make it smaller or bigger for the perfect size. You would not worry it may not fit.</li><li>Handheld controller (remoter) to adjust the working programs, music, time and turn ON/OFF while doing massaging, So much easy to use.</li><li>Powered by USB cord on computer, or USB cord with power adapter, or 4 AA batteries. You can use it at home, at work, at travel. (Batteries are not included; Be sure batteries are full of power if you use with batteries and suggest to use rechargeable batteries; Cannot use batteries and power cord at the same time.)</li></ul><br><br>

NORLANYA Electric Head Massager KS-2800A (Helmet Type), Pain Relief Relaxing Apparatus