Instruction: Every time do not use more than 5 minutes . Pause a couples of minutes , then can continue to use , because the product if use too long , it will be too heat and not work. Features: Soft flexible head relaxes sore muscles . Deep soothing massage helps relieve tension 10 Speeds to choose from for deep relaxing Color: As the pictures : Black The Massager will improve your life in a variety of ways: - Deep, powerful, soothing massage . Relaxes sore muscles and relieves tension . 10 speeds allowing you to select you like. Flexible soft silicone head giving you unforgettable Comfortable .ure right where you want it - Mains-powered with US plug - all you need to do is plug in, turn on and play! Nothing delivers relaxation. Make it a gift for yourself or someone you love! The massager is used to relax the following: neck & back pain, strained muscles or woe, nerve injury and stress. This neck, arm, leg, back, head and shoulder areas massage etc.