Single Dumbbell Shaking Weight Swing Dumbbell Man Women For Keep Workout Fitness Exercise Equipment                Fashionable appearance, compact and convenient, can be carried out at any time indoors, no need to choose a venue     The handle is designed according to the ergonomic principle to ensure a comfortable feel     Spiral vibration devices are added on both sides, and the motion principle of dynamic inertia is adopted     Through the rhythmic back and forth vibration, it produces a vibration frequency that has a good effect on relaxing the human body     The exercise time is short and the effect is quick. Only 6 minutes of aerobic exercise a day can achieve the purpose of relieving neck discomfort, arms and beauty.     Colour: White / Gray     Material: plastic + iron          Package Contents:     1 x dumbbell          Only the above package content, other products are not included.     Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.