Features： 1、Reduce Discomfort: Dual roller neck massager can apply direct pressure to your trigger points, relieve frustrating neck pain, increase circulation and reduce stiffness. 2、Various Holes: Dual roller ball neck massager specially designed detachable massage balls, you can freely insert the ball into different holes to achieve different massage effects. 3、Improve Sleeping: Dual roller neck massager stick feels like a human hand, effectively relieve fatigue and muscle pain, which can improve your sleep quality. 4、Hammering Tool: Remove one handle and one massage head of neck massager roller ball to be used as a hammering device, you can control the massage speed and strength. 5、Easy Control: Dual pressure point neck massager is made of ABS and TRP materials, adopted ergonomic handles for easy to control, provide precise pressure, comfort and relaxation effects. Specification： Item Type: Dual Roller Ball Neck Massager Material: ABS, TRP Suitable for: Office Workers: long term sedentary, staring at computers Student: Bury your head in a book Driver: Long time driving posture unchanged Phone Lover: Often bow, play phone Function: Neck massager can promote circulation, relieve tension, fatigue, neck stiffness, neck pain. Improve the tension headaches and migraines. Deep massage muscle surfaces for relaxation. Suitable Parts: Neck, shoulder, back Package List： 2 x Handle 1 x Massage Head 1 x Rope