Olympus WS-321M - Manual (Page 99)

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Specifications
Common Specifications
Recording medium:
Built-in NAND FLASH memory (WS-331M:
2GB/ WS-321M: 1GB/ WS-311M: 512MB)
Speaker:
Built-in ø18 mm round dynamic speaker
MIC jack:
ø3.5 mm, impedance 2k
Ω
EAR jack:
ø3.5 mm, impedance 8
Ω or more
Maximum working output (3 V DC):
70 mW or more (8
Ω 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.
Specifications
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-331M: about 500 songs
WS-321M: about 250 songs
WS-311M: about 125 songs
(128kbps/4 minutes per song)
Maximum headphone output:
5mW + 5mW (at load of 22
Ω)
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