Cervical Spine 2 Heads Cervical Charging Neck And Shoulder 5 Massage Modes 16 Strengths Powerful For E Feature: Colour: White Material: Plastic Net weight: 128g/0.28lb Gross weight:230g/0.5lb Product size:14.9x14.3x3cm/5.86x5.62x1.18in Packing size:18x17.5x5cm/7.08x6.88x1.96in Charging interface:USB Battery capacity: 400 mAh 5 Gears Massage Description: Powerful features5 massage modes: automatic mode, kneading mode, hammering mode, tapping mode, and 16 strengthsof to choose from, making the body more comfortable Humanized Design2 massage heads provide a comfortable massage also make your cervical spine feel comfortable.Adapt to the curve of human neck, better massage effect.Adapts to the body's constant temperature heating mode, intelligent massage. Practicle & ConvenientRelease neck tension instantly in front of your computer or smartphone for countless hours of effective massage. Relieve headaches, Keep your physical comfortable instantly. USB ChargingThe product adopts telescopic strong arm technology, which has good resilience and strong toughness. Easy charging and long battery life. Widely AppliableEnjoy relaxing massage anytime, anywhere, wireless hanging neck, light weight, easy to carry, suitable for home, office, business travel and other . Package Content: 1x Cervical Spine 1x USB cable