Digital Voice Recorder 16G 32G Wrist Watch Audio Recording Portable Professional Dictaphone OLED Screen MP3 Player For Business Features:_x000D_ 1. ABS silicone strap for comfortable wearing_x000D_ 2. Professional recording pen chip, high-definition recording_x000D_ 3. Timestamp, automatically naming audio files by date_x000D_ 4. AGC function, automatic adjustment of noise source_x000D_ 5. Recording machine, MP3 player_x000D_ 6. High definition color screen for a clearer visual experience_x000D_ 7. Detect low battery and automatically save recording files_x000D_ 8. One click recording/saving_x000D_ 9. Insert headphones to listen to music_x000D_ 10. Supports Bluetooth connection_x000D_ 11. Intelligent voice control recording, timed recording_x000D_ 12. Built in large capacity rechargeable lithium battery_x000D_ 13. 1.4 inch OLED high-definition display with full screen touch control_x000D_ 14. USB 2.0 interface, convenient for uploading and downloading files_x000D_ 15. Delete files, delete music/recording files_x000D_ 16. Bluetooth 5.0 chip for more stable connection_x000D_ Specifications:_x000D_ 1. Recording format: WAV/MP3_x000D_ 2. Music playback format: WMA/WAV/MP3/OGG and other audio formats_x000D_ 3. Recording time: approximately 24 hours_x000D_ 4. Standby time: 90 days_x000D_ 5. Battery capacity: 260mAh_x000D_ 6. Charging time: approximately 2 hours_x000D_ 7. Transmission interface: USB 2.0_x000D_ 8. Operation mode: touch+buttons_x000D_ 9. Display screen: 1.4-inch OLED high-definition display screen_x000D_ 10. System support: For WINDOWXP/VISTA/WINDOW8_x000D_ 11. Memory capacity: 16GB/32GB (optional)_x000D_ 12. Bluetooth version: 5.0_x000D_ 13. Headphone jack: 3.5MM_x000D_ 14. Working temperature: 0 to 40 _x000D_ 15. Watch strap material: silicone_x000D_ Packaging list:_x000D_ 1 * Recording Pen Band_x000D_ 1 * User manual_x000D_ 1 * Charging cable