Features: 64GB Large Capacity Memory: 64GB (Save 4640 hours recording) TF card and voice activated recording. This voice recorder a 64GB TF card, which means you can choose a suitable memory card for your requirements. This tape recorder can store more than 800 hours of recording files, so you don't need to worry about the memory. High Bit Rate & Quality: Our audio recording device support 512, 1536, 3072kbps bit rate that you can enjoy faster files transmission experience. So we sure that you will have a better recording experience with high quality. Automatic Noise Reduction: The tape recorder equipped with a DSP noise processing system, and it has Dual-mic noise cancellation. So it will create a pure sound environment and produces excellent sound quality. The built-in DSP noise reduction chip, which can automatically eliminate external noise, and the speaker's voice will be better recorded. High Capacity Battery: Recorder has a built-in 550mAh rechargeable battery, which support more than 50 hours continuous recording. When you run out of the battery, please don't worry, the rechargeable battery just need to be charged 1.5 hours. Muti-function & Easy Operation: This voice activated recorder has functions including music player, file management and so on. It will meet your variable needs, like enjoy some music in your free time, manage your files, or record some important voice in a hurry time. By the way, if you do not want to miss a significant voice, this digital voice recorder with one-button recording will give you a help. You just need to push up the button then it will start to record. Production Information: Compatible Devices : Headphone, Personal computer Body Material: ABS Hardware Interface : Type-c Microphone Form Factor: Built-In Format: MP3, WMA, FLAC, APE Recording Bit Rate: 512 kbps - 3072 kbps Headphones Jack: 3.5 millimeters Number of Batteries: Built-in Lithium polymer battery (3.7V/550mAh) Charging Time: 1.5 hours Recording Time: 40 hours Item Dimensions LxWxH : 4.57 x 1.7 x 0.6 inches (11.6 x 4.4 x 1.5 cm) Item Weight: 67 Grams Screen Size: 1.77 inches Memory Storage Capacity: 64 GB Packing list: Digital recorder×1, 64GB TF Card×1, Type-c×1, Headphones x 1,User Manual×1