No biological details.

If you are not sure about the comparison please check out this article before ordering. 

M36A
Packing List:
1)  1 × M36A super flexible male seamless body 
2)  3 pairs × interchangeable hands 
3)  1 pair × removable flat-heeled feet
4)  2 pcs × Male genitalia 
5)  4 color packaging
★ Head sculpt and all the gear ( including model basketball, clothing, sneakers, elbow pad ) NOT included

M36B
Packing List:
1)  1 × M36 super flexible male seamless body 
2)  3 pairs × interchangeable hands 
3)  1 pair × removable flat-heeled feet
4)  2 pcs × Male genitalia 
5)  4 color packaging

Head sculpt and all the gear ( including model basketball, clothing,  sneakers, elbow pad, knee pad ) NOT included