Olympus ws 85 digital voice recorder product specification mp3 support yes speakers built in 20mm maximum output 250mw battery life playback 90 hours max recording 110 hours max batteries included yes battery 2 x aaa model name ws 853 product type digital voice recorder form factor dictation machine case colour black dimensions 30cm w x 18cm d x 1115cm h weight 0077kg in the box olympus ws 853 8gb digital dictation machine ni mh batteries soft case usb