feature1. 128 * 64 black-and-white screen， text display. Easy to understand & operate2. Super long recording duration: [SP (384 KBPS) : 12 hours， LP (32 KBPS) : 144 hours] / 2G3. Five modes of recording， double microphones， dual track， recording effect is better4. Acoustic VOR recording， effective to save memory space5. Support MP1 / MP2 / MP3 / WMA / WMV / ASF / WAV audio format6. Support A - B replay7. Timing recording， intelligent operation， ultra-low power8. High capacity lithium battery， support longest recording time up to 20 hours9. Support four languages: Chinese simple， Chinese traditional， English and Portuguese10. The date clock function. The recording file named following the format: RE Month-Day-Year-Hour-Minute-second. This format indicate the start time of the recording.11. Five seconds pre-recording， intelligent control12. LINE-IN. Connected with the pen by audio line， the content of external audio equipments (such as mobile phones， radios， CD， etc.) can be recorded.specificationColor: Coffee， Grey， Black， SilverMaterial: PlasticStorage: 8GPackage includes:1 X Recording Pen1 x Instruction1 x Phone Adapter1 x Phone Line1 x Microphone 1 x Mutual-Recording Line 1 x USB Cable1 x Earphone