Built-in memory 4gb pc connectivity yes recording format mp3 playback format mp3 messages/folders 495 (99 messages in 1 folder) earphone jack yes battery type dry battery (alkaline, size AAA) x 2 dimension (w x h x d) approx. 38 .5 X 115.2 X 21.3 Mm weight (including batteries) approx. 72G mic-in jack yes Easy pc connectivity Digital pitch control Voice operated recording High quality recording 4Gb built-in memory products are imported. Product once sold can not be entertained for any replacement, return or refund. However if product is broken, damaged or not in working condition can only be replaced within three working days of receiving product. Thereafter no claim could be considered for the product.