Longest time to spin two basketballs on one finger, maintaining spin

Longest time to spin two basketballs on one finger, maintaining spin
Who
Chen Weiwei
What
4, 31 minute(s):second(s)
Where
Italy (Milan)
When

The longest duration spinning two basketballs on one finger, maintaining the spin, is 4 minutes 31 seconds and was achieved by Chen Weiwei (China) on the set of 'Lo Show dei Record' in Milan, Italy, on 7 July 2014.