?Password Protection & After Sales Guarantee?You can set a four digit password to protect your important information.We provide a 1 year after sales guarantee. The package contains the user manual, please read it carefully before use.If you have any problems in use, please feel free to contact us, and we will provide you with satisfactory solutions within 12 hours. ?Voice Activated Recorder & Multifunctional Recorder? After this function is turned on, tape recorder will automatically record when the surrounding sound reaches a certain decibel, and stop recording when there is no sound,which can save the storage space of the recording device.Multifunctional recording settings: timing recording, monitoring recording, deleting recording, AB Repeat,etc. Suitable for multiple scenarios(Meetings, business negotiations, class notes, lectures etc). ?Simple Operation & Local Playback? Slide the button to start recording/save recording. After starting up, you can quickly record without missing the moment you want to record.Equipped with 0.96 inch high definition color display,the screen is clear and beautiful, making the operation more convenient,and the built-in speaker can play the recording directly. (The effect will be better with headphones.). ?Built in 2 Microphones & DSP Noise Reduction? 2 high-performance 360 ° directional microphones, which can more clearly capture sounds in the distance. Powerful DSP noise reduction chip, intelligent digital noise reduction, it can automatically reduce environmental noise, clear recording/playing high-quality sound. The supported bit rate is 3072kbps/1536kbps/512 kbps. ?64GB Large Storage & Long Time Recording? 64GB Digital Voice Recorder, which can store 268 hours of recording data (512kbps) at most. Don't worry about insufficient memory.The tape recorder is equipped with a 230mAh rechargeable battery. After charging (about 2 hours), it can record for up to 25 hours continuously. If the battery is low, Dictaphone can automatically save data.