Color Blue + Black + Multi-Colored Brand PL Model 718B Material ABS Quantity 1 Set Shade Of Color Blue Massager Part Neck Principle of Massage Bibration Control Mode Electric Number of Massage Heads 2 Set Thermotherapy Function Yes Timing Function Yes Digital Strength Shows No Battery included or not No Power Supply AAA Battery Number 2 (not included) Plug Specifications No Power 2 W Other Features This massager can promote partial blood circulation relax muscle allay inflammation subside swelling ease the pain. It can also improve shoulder / arm sickness such as numbness headache dizziness. Packing List 1 x Massager 2 x Patches 1 x English manual