Fangrui Product Details 1. Q66 Heart Pendant Smart Hd Noise Reduction Voice Control Recording Pen, Capacity:64gb 2. It Is Both A Pendant And A Voice Recorder 3. One-key Recording, Easy To Operate 4. Professional Audio Noise Reduction Chip Low-power Amplifier, Restore Real And Clear Sound 5. Intelligent Voice-activated Recording, Effectively Saving Memory Space And Battery Capacity 6. Connect The Computer To Synchronize Beijing Time, Which Is Convenient To Record The File Generation Time And End Time 7. After The Recording File Is Encrypted, It Can Effectively Prevent Data Leakage And Use It More Safely 8. Automatically Save When Power Off To Ensure That The Recorded Data Is Not Lost 9. Large-capacity U Disk Storage Function, Which Can Store Files And Connect To A Computer For Viewing 10. Connect The Otg Adapter To Play And Manage The Recording Files On The Phone (only Supports Android Phones) 11. Material: Zinc Alloy 12. Recording Time: 35 Hours 13. Playing Time: 14 Hours 14. Charging Time: 1.5 Hours 15. Standby Time: 30 Days 16. Battery Capacity: 120mah 17. Recording Format: Wavmp3 18. Playback Format: Mp3wmawav 19. Dimensions: 42x37x9.6mm