This product is a universal charging case for magnetic charging, not including rings 1. Smart ring display charging case Magnetic charging & fast and portable 2. Mini size, easy to carry 5cm*5cm*2cm, less than half the size of the palm, can be easily put into a pocket 3. Creative design, upgraded capacity A single battery life of about 5-7 days, the charging case can be charged about 13 times when fully charged. Charge at any time, providing uninterrupted close companionship 4. Ergonomics, comfortable feel Adopting the new TYPE-C port, quickly charge the charging case in half an hour, and the material feels smooth 5. Smart ring universal charging Can be used to replace the original magnetic cable charger for all magnetic charging styles of rings in this store and on the market, which is more convenient and faster Color: black/white Product list: charging case*1 Single set weight: 100g Battery capacity: 200mAH