PRODUCT GRADING (Grade C) - Fair Condition > Visible scratches and signs of use throughout > Refurbished to the highest standards. Retail Box  WHAT IS IN THE BOX SAIMPU Voice Activated Recorder for Lectures, Professional Noise Reduction Rechargeable Recording Device PRODUCT DESCRIPTION  Using professional DSP acoustic processor, built-in intelligent noise reduction chip, directly filter the surrounding noise, ability to capture recording content accurately and clearly. THREE ULTRA-SENSITIVE MICROPHONES - Great voice recorder for lectures, conferences, interviews, classes, conversations and concerts with ultra-sensitive microphones. The maximum sound sampling rate is 1536Kbps and supports recording distances up to 50 meters. VOICE-ACTIVATED RECORDING - The recording can be activated by sound, the silent segment can be omitted to save the storage space. You can use the earphone to listen to your sound while recording, the recorder function simultaneously as a hearing aid POWERFUL AND EASY TO OPERATE - Our digital recorder supports both MP3 and WAV format file which can be easily transferred to MAC or PC; recording files saved with time stamp, one switch to record, save and delete. Audio recorder has metal solid case, lightweight and it is portable. PRODUCT INFORMATION Brand - SAIMPU Hardware interface - USB 2.0 Microphone form factor - Built-In Format - MP3 Audio Headphone jack - 3_5_millimetres Number of batteries - 1 Lithium ion batteries required. (included) Item dimensions - L x W x H 10 x 4.5 x 1.5 centimetres