This item include:

  -- PH 2.0mm 5pin Female Connector Housing  x  50 pcs

  -- PH 2.0mm Crimp Contact Pin  x  250 pcs

It compatible with: 

  --LED light controlling system, illuminator, speakers, monitors, household appliances, copiers, fax machines, medical equipment, electrothermal equipment, computers, electronic toys, batteries, circuit boards and other products.

  --Li-Poly Battery plug

These are common, inexpensive, and small, so you'll find them in many portable electronics as battery connections and board interconnects.