887ENSpecificationsSpecificationsWMA format[ST XQ] 40 Hz to 19 kHz[ST HQ] 40 Hz to 16 kHz[ST SP] 40 Hz to 9 kHz[HQ] 40 Hz to 13 kHz[SP] 40 Hz to 8 kHz[LP] 40 Hz to 3 kHz*1 For WS-710M, WS-700M only*2 For WS-600S only4 During recording mode (Built-instereo microphone):70 Hz to 20 kHz (However, whenrecording by the MP3 format or theWMA format, the upper limit value of thefrequency response depends on eachrecording mode)4 During playback mode:20 Hz to 20 kHzGuide to battery lifeThe following values are strictly roughguides.4 During recording mode (Built-inmemory):RecordingmodeBuilt-in stereo microphones*1 *2[44.1 kHz/16 bit] *3 18 h. 18 h.[128 kbps] 18 h. 30 min. 18 h. 30 min.[ST XQ] 19 h. 19 h.[LP] 25 h. 24 h.4 During voice file playback mode(All Playback Mode):RecordingmodeBuilt-in speaker*1 *2[44.1 kHz/16 bit] *3 12 h. 12 h.[128 kbps] 15 h. 15 h.[ST XQ] 15 h. 15 h.[LP] 15 h. 15 h.RecordingmodeEarphone playback*1 *2[44.1 kHz/16 bit] *3 22 h. 21 h.[128 kbps] 29 h. 27 h.[ST XQ] 30 h. 28 h.[LP] 30 h. 28 h.*1 Alkaline battery*2 Ni-MH Rechargeble battery*3 For WS-710M, WS-700M only4 During FM radio mode (Built-inmemory) (For WS-710M only):RecorderstatusEarphone playback*1 *2DuringFM radioreception13 h. 30 min. 13 h. 30 min.DuringFM radiorecording9 h. 9 h.*1 Alkaline battery*2 Ni-MH Rechargeble batteryNote• Battery life is measured by Olympus. Itvaries greatly according to the type ofbatteries used and the conditions of use.