Diasonic Tech DMP-105 - Manual (Page 9)

4. Use time of battery
5. Attention when using battery
Take the battery out if it's not going to be used for long period of
time.
When using rechargeable battery, use it properly after reading the
instruction manual.
6. Package Components
STEREO EARPHONE, USB DRIVER INSTALL CD for WINDOWS 98 SE,
LINE/IN CABLE, USB CABLE(10Cm), INSTRUCTION MANUAL,
BATTERY, NECK STRAP, WIRED CONTROLLER
Battery used When recording
Approx. 7hour Approx. 7hour
When played with
earphone
( volume : medium )
Alkaline battery
SIZE"AAA" LR-03