upgraded version [double anti-slip + double weight + speed control] blue(升级增高版【双防滑＋双增重＋调速】蓝) upgraded version [double anti-slip + double weight + speed control] pink(升级增高版【双防滑＋双增重＋调速】粉) piano ordinary version [double anti-skid + double weight increase + speed control] blue(钢琴普通版【双防滑＋双增重＋调速】蓝) piano ordinary version [double anti-skid + double weight increase + speed control] pink(钢琴普通版【双防滑＋双增重＋调速】粉) piano height increasing version [double anti-skid + double weight increasing + speed regulating] blue(钢琴增高版【双防滑＋双增重＋调速】蓝) piano height increasing version [double anti-skid + double weight increasing + speed regulating] pink(钢琴增高版【双防滑＋双增重＋调速】粉) piano two-in-one [double anti-skid + double weight increase + speed control] blue(钢琴二合一【双防滑＋双增重＋调速】蓝) piano two-in-one [double anti-skid + double weight increase + speed control] pink(钢琴二合一【双防滑＋双增重＋调速】粉) oversized six-in-one [multi-function/multi-mode switching] blue(超大号六合一【多功能/多种模式切换】蓝) oversized six-in-one [multi-function/multi-mode switching] pink(超大号六合一【多功能/多种模式切换】粉) oversized 7-in-1 [multi-function/multi-mode switching] blue(超大号七合一【多功能/多种模式切换】蓝) oversized 7-in-1 [multi-function/multi-mode switching] pink(超大号七合一【多功能/多种模式切换】粉) basic ordinary version [double anti-skid + speed control + water tank] blue(基础普通版【双防滑＋调速＋水箱】蓝) basic ordinary version [double anti-skid + speed control + water tank] pink(基础普通版【双防滑＋调速＋水箱】粉)

battery version(电池版) rechargeable version [more durable and durable]](充电版【更耐用更持久】)