【New, Unused】Olympus OLYMPUS DM-750 IC Recorder Voice-Trek Black, 2-Mic Noise Cancellation IC Recorder 【J085】 This item is new and unused, only taken out of the box for photography. 【Specifications】 Recording Format: Linear PCM (WAV) / MP3 Internal Memory: 4GB External Memory Slot: microSD (2GB～32GB) Frequency Response (when recording via microphone jack) and Recording Time: 【Linear PCM】 48kHz/16bit: 20Hz～23kHz. Approximately 5 hours 【MP3】 128kbps: 20Hz～17kHz. Approximately 61 hours 【MP3】 8kbps mono: 20Hz～3.5kHz. Approximately 985 hours Recording Level: High, Medium, Low, Auto (Voice Chaser) Speaker: Built-in 18mm diameter round dynamic speaker Microphone Jack: 3.5mm diameter (impedance 2kΩ) Headphone Jack: 3.5mm diameter (impedance 8Ω or more) Maximum Practical Output: 150mW (speaker 8Ω) Battery Life (during recording): Approximately 52 hours when using alkaline batteries (MP3 8kbps) Batteries: One AAA alkaline battery or one AAA nickel-metal hydride rechargeable battery AC Adapter: A514 (sold separately) External Dimensions: 105.9mm (height) x 39.6mm (width) x 14.4mm (depth) Weight: 72g (including batteries) *There may be slight errors due to amateur measurements. *No accessories included. The props used in the photos are not included. *The product is photographed with a smartphone. The color and condition may differ from the actual product. *All accessories are shown in the photos. Please ask any questions before purchasing if you have any concerns. *Please understand that there are individual differences in how the product condition is perceived, as this is a private sale. *If there are any issues with the product, please comment before leaving a rating. We will respond appropriately. *Returns are not accepted after a rating has been given. *All items are stored at home. No pets or smokers. *Instant purchase is OK. No need to comment before purchasing. *No holds. *Please check the profile before purchasing.