46
For
the
Digital Music
Player
Compatible
data
format:
WMA, MP3 (MPEG-1/MPEG-2 Audio
Layer-3)
Sampling
frequency:
44.1
kHz
Frequency
band:
20 Hz to 20 kHz
Playback
time:
WS-331
M:
about 500 songs
WS-321
M:
about 250 songs
WS-311
M:
about 125 songs
(128kbps/4 minutes per song)
Maximum
headphone
output:
5mW + 5mW (at load of 22
n)
Alkaline
battery
life:
WMA: Approx. 16 hours
MP3: Approx. 19 hours
Ni-MH
rechargeable
battery
life:
WMA: Approx. 12.5 hours
MP3: Approx. 14 hours
Common
Specifications
Recording
medium:
Built-in NAND FLASH memory (WS-
331
M:
2GB/ WS-321
M:
1GB/ WS-
311
M:
512MB)
Speaker:
Built-in 018 mm round dynamic
speaker
MIC
jack:
03.5 mm, impedance
2kn
EAR
jack:
03.5 mm, impedance
8n
or more
Maximum
working
output
(3 V DC):
70 mW or more
(8n
speaker)
Input
power
requirement:
Rated voltage: 1.5 V
Batteries: AAA battery (LR03 or
ZR03) or Ni-MH rechargeable battery
External
dimensions:
94.8 x 38.6 x
11
mm (without
protrusions)
Weight:
47 g (including alkaline battery)
* Specifications and design are subject to
change without notice.
* Battery life is measured by Olympus. It
varies greatly according to the type of
batteries used and the conditions of use.
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