【Two-in-one fitness massage】 These smart circles can not only burn body fat quickly, but they can also help you achieve your ideal figure. You can also massage your waist to relax. One product, two functions: side exercise, side massage. Burn fat 2-3 times faster than a regular hula hoop.【Quiet bearings make your movement more comfortable】 Due to this pleasant experience, we recommend exercising 30 minutes a day for 5 days. then you can burn up to 800 calories each time! Note: If the pulley wheels cannot spin smoothly, simply flush the pulley and clean it.【Free adjustment of 24 parts】 There are 24 parts with magnetic buckles that can be freely combined depending on waist size. Suitable for the whole family, suitable for fat/thin waists! The correct way to remove the link is to twist the two links outwards, twist them in the opposite direction and they will pop out automatically. Assembly is also very simple, insert it along the opening next to the upper pulley track, the socket will automatically be sucked in and stuck.【High-quality material】 Smart Hula Hoop is made of high-quality ABS material, it is not only light but also comfortable for all workouts.【Easy to use】 Compared to the traditional hula hoop, the new smart hula hoop is easier to use. Especially with the \"no-drop\" design, you can have fun with the sport even as a beginner.