Olympus WS311M WS-331M Instruction Manual (English) - Page 99
Common Specifications, For the Digital Music Player - 512mb
UPC - 050332400665
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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 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 2kΩ EAR jack: ø3.5 mm, impedance 8Ω or more Maximum working output (3 V DC): 70 mW or more (8Ω 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) 7 * 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 99