How long can I play videos on my product with a fully-charged battery before it needs to be recharged?

• If you play continuous videos with audio, using headphones, the battery supplied with your P-7000 should last approximately 3 hours. The following table gives the approximate battery life expectancy for various activities.
  
  

  Activity	Approximate battery life
  Playing a slide show (in default settings)	3 hours
  Playing video (MPEG4, 2 Mbps, using headphones)	3 hours
  Playing audio (MP3, 128 kbps, using headphones)	6 hours