[Voice controlled recording/simple operation]:supports voice activation, and the recorded files be named according to time for easy differentiation.This Digital Voice Recorder has a one click power on recording and one click power off saving function,he operation is very simple,After recording,simply insert the headphones and the play button to immediately listen to the recording.One machine for multiple purposes,Can be used for MP3 playback in . [Long Battery Life]2500mAh large capacity battery,440Hours Ultra-Long Recording.370 hours of continuous playback,Recordings are automatically saved if the battery runs out. [ 128G large capacity memory]128GB means up to 1750 hours of storage for recording files,so you don't have to worry about running out of storage space. Whether it's long meeting minutes or important classroom presentations,they can be easily saved and reviewed at any time. [The magnetic suction design is firm and reliable]The recorder has a built-in magnet that can firmly adhere to metal surfaces,better reduce the noise caused by friction in the recording process, capture more crystal clear audio. Material: aluminium alloy colour: black Package Contents: 1 x Digital Voice Recorder 1 x USB Cable 1 x Earphone 1 x English User Manual Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.