Electric Neck Massager EMS Pulse 6 Modes Heating Cervical Vertebra Back Massage Pain Relief Tool Tens Machine Health Care Device

Features:
100% brand new and high quality
Size:Medium
Application:Neck, shoulder, arms, back, wrist, legs, feet etc.
Material:ABS
Item Type:Massage & Relaxation
Electric impulse frequency:0-1000Hz
Electric impulse width:20-400μs
Power supply: 2 x AAA batteries (not included)
Please allow 1-3mm error due to manual measurement. pls make sure you do not mind before you bid.
Due to the difference between different monitors, the picture may not reflect  the actual color of the item. Thank you!