1. Multi-function volleyball trainer to train different skills including smashing, reception, passing, digging and lobbing;
2. Scientific design, automatic ball feeding due to gravity, proper for singles or doubles training;
3. Good for people with different sports level or height;
4. Detachable big-capacity ball container, automatic ball feeding due to gravity through the arms;
5. Wheels to move anywhere at anytime;
6. Professional volleyball playmate for daily sporting, training or coaching