16GB Digital Voice Recorder Voice Activated Audio Recording with Playback MP3 Music Player 70-90hrs Continuous Recording Time Recording Device with Back Clamp for Lectures Meetings Class Interview Micro-USB Port Features: High Capacity In Battery And Memory - This recorder device built-in 400mAh battery can continuously record 10 hours. With 16GB of internal storage, you can save 70-90 hours of recordings.  Practical Design - Super mini digital recorder, only 81x26x11mm in size, design with clamp on the back, convenient to carry in the pocket or bag. Multifunction - Built-in condenser microphone recording, intelligent noise reduction can effectively filter the noise part of the sound source.  Support voice-activated mode, automatically stop recording when there is no sound, save memory. One-button recording and saving, easy to operate.  Strong Compatibility - It can connect the computer to transfer files, compatible with Windows XP/7/10 and so on. Note just a Recording Device - Insert earphone into Mirco-USB port for playback recording file / listening to music. Available In a Variety Of Scenarios - Made of premium ABS material and matte appearance which is ideal for your business meetings, negotiations, interviews, presentations, conferences, semester classes, presentations, group discussions, etc., accurately record all the details. Specification: Model: SK-066 Memory: 16GB Size: 81x26x11mm     Weight: 66g Battery: 400mah Storage Capacity: 1160hrs (32KBPS), 580hrs (64KBPS), 288hrs (128KBPS), 192hrs (192KBPS), 96hrs (384KBPS), 72hrs (512KBPS), 48hrs (768KBPS), 36hrs (1024KBPS), 24hrs (1536KBPS)  Record Format:  WAV, MP3 Recording Time: 70-90hrs Earphone Port: micro USB Record Playback: About 50hrs Support System:Win XP/WIN7/WIN10 etc. Package Size: 14x8x5cm/ 5.5x3.1x2in Package Weight: 135g/4.7oz Packing List: 1 x Digital Recorder 1 x Earphone 1 x USB Cable