Feature: 1. Super noise reduction function, can help you get accurate voice to know much details. 2. With password protection to ensure that your recordings are not be opened by others, which is safer and reliable in use. 3. Support stereo surround, can enjoy the recording voice comprehensively. 4. Can achieve one-click recording. The recording distance is about 10-20m/32.8-65.6ft. 5. Built-in 850 mAh lithium battery, it is energy saving and has ultra-long standby time. 6. Widely used in classrooms, lectures, interviews, group discussions,and podcast recordings. 7. Can easily repeat from the selected point A to point B for For some important files. 8. Not only can you record high quality audio, but also can play or listen to music directly using this recorder. Specification: Item Type: Voice recorder Color: As pictures shown Screen: 2.0in LCD color screen Recording Format: WAV/MP3 Music Format: MP3/WMA/FLAC/APE/OGG Headphone Jack: 3.5MM USB: 2.0 Frequency Range: 20Hz-20KHz Memory: 8G (maximum 64G expansion) Recording Quality: 512kdps/192kdps Recording Method: Voice recording/telephone recording/Line-in recording Signal to Noise Ratio: ≧85db Audio Stream Rate: Mp3: 16kbps-320kbps WAVM 6Kbps-b36kbps Microphone: Capacitive Recording Time: 1300 (minutes) Recording Distance: Approx.10-20m/32.8-65.6ft Battery: Built-in lithium battery 850 mAh(included) Voltage: 3.7V Function: Password protection, stereo surround, super noise reduction, long standby, one-click recording, MP3 playback, and A-B repeat. Application: Widely used in classrooms, lectures, interviews, group discussions, and podcast recordings that suitable for students, professors, teachers, businessmen, writers, bloggers or anyone who likes to record. Package List: 1 x Voice Recorder1 x USB1 x Headset1 x Recording Microphone1 x Manual