Features: High Capacity In Battery And Memory - This recorder device built-in 270mAh battery can continuously record 20 hours. With 16GB of internal storage, you can save 72 hours of recordings (512KBPS). One-button recording and saving, easy to operate. 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. Easy to Use and More Setting - Support for micro USB computer connections for easy uploading and downloading of voice or music. Available to set time and date, and screen and backlight brightness to adjust. Note just a Recording Device - Insert earphone into Mirco-USB port for playback recording file / listening to music. Wide Applications - Ideal for your business meetings, negotiations, interviews, presentations, conferences, semester classes, presentations, group discussions, etc., accurately record all the details. Specification: Model: SK-288 Memory: 16GB Size: 88x30x12mm Weight: 33g Battery: 270mah Storage Capacity: 1152hrs (32KBPS), 576hrs (64KBPS), 288hrs (128KBPS), 72hrs (512KBPS), 24hrs (1536KBPS) Record Format: WAV, MP3 Screen: LED 128*64 S/N: ≥ 70dB Recording Time: without monitor function - WAV: 20/8hrs (512/1536kbps), MP3: 20/20/12hrs (32/64/128kbps) with monitor function - WAV: 15/6hrs (512/1536kbps), MP3: 16/16/10hrs (32/64/128kbps) Earphone Port: 3.5mm jack Record Playback: Recording: about 10 hours; Headphones: About 30 hours (9MA) Music: foreign sound about 5 hours; Earphone: About 20 hours (13MA) Support System: Windows98\2000\XP 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