bicycle air pump

Advantages:
1、easy to pump, create high pressure within 1 minute efficently (轻巧,高压进气,省力省时)

2、long lifetime (寿命长)

3、pump tip can interchange conveniently (不同打气嘴可以相互转换)

4、easy to carry  (方便携带)

5、suitable for all  kind of device(bike,car,ball etc.)  (适合各种自行车,电动车,山车和球类等)