1. Lossless Recording, Professional Noise Reduction 2. Super Long-Distance Recording, DSP Dual-Core Noise Reduction 3. 25 Hours Of Recording, 90 Days Of Long Standby Time 4. Dual Silicon Microphones, Ultra-Clear Long-Distance Sound Pickup, 360° Panoramic Micro-Sound Capture Technology, Hear And Record Without Distortion And Zero Noise 5. High Definition Noise Reduction Recorder Recording Sampling Rate:Up To 1536KBPS Continuous Recording:About 25 Hours Screen:Ips High-Definition Color Screen Microphone:Omnidirectional Dual Silicon Microphone Recording Source:Built-In Dual Microphones Recording Format:WAV, MP3 Music Format:MP3/APE/WAV/FLAC And Other Formats Recording Gain:Level 1-7 Recording Segmentation:30-90 Minutes Battery:260mAh Functions:Variable Speed Playback Function; Music Playback Function; Voice-Activated Recording, Timestamp Function, Scheduled Recording; High-Definition Color Screen; Support For Mobile Phone Otg Recording Monitoring; A-B Repeat, Local Playback And Deletion Of Recordings Support Multiple Languages:Chinese And English Password Setting Recording Format:MP3/WAV The Recording File Name Is Named According To The Date. Note:The Built-In Memory Card May Occupy Extra Memory Due To Gradual Caching, Which Will Not Affect The Product'S Use Too Much. Type:8GB/16GB/32GB/64GB/128GB Colour:As Shown Material:plastic Package Contents: 1 * Recording Pen 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.