1,HIGH CAPACITY STORAGE: Digital voice recorder pen has 64GB memory, capable of storing a large number of sound files. 2,MULTIFUNCTIONAL RECORDER: Digital voice recorder supports intelligent recording, MP3 playback, external playback and many other functions. 3,SUPERIOR RECORDING: Digital voice recorder has a built in superior microphone for clear recording results. 4,EASY TO OPERATE: Portable voice recorder has an easy to use interface, suitable for beginners and professionals. 5,LIGHTWEIGHT AND PORTABLE: Digital voice recorder pen adopts compact and lightweight design, can be put into the pocket or bag to carry at any time. Item Type: Digital Voice Recorder Material: ABS Size: Approx. 100x25x12mm / 3.94x0.98x0.47in Battery: 3.7V Lithium Battery (210mAh) (Shipped with Built In Battery) Frequency Response: 20HZ to 20KHZ SNR: >90dB Music Format: MP3 Recording Format: WAV Note: Shipped with Memory Card (Already Loaded in MP3) 1 x MP3 Recorder 1 x Charging Cable 1 x Earphone 1 x Instruction Manual Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Sold by-Minnanxin