Ultra-Thin Card Voice Recorder 150Hr | 4-64GB MP3

Capture Every Word with the Ultra-Thin Card Digital Voice Recorder

Meet your new go-to recording companion — a credit-card-slim digital voice recorder measuring just 4mm thin, yet packed with professional-grade features. Whether you're capturing lectures, meetings, interviews, or personal notes, this compact dictaphone delivers crystal-clear WAV audio with up to 150+ hours of recording time (capacity-dependent). Made in Mainland China.

Why You'll Love It

• Ultra-Slim Card Design: At just 86 × 54 × 4mm — the size of a credit card — it slips effortlessly into a wallet, pocket, or bag without adding bulk.
• Professional Noise Reduction: A built-in professional-grade noise reduction chip captures high-fidelity audio with minimal background interference, ensuring clearer playback every time.
• Voice-Activated Recording (VAR): Smart VAR technology automatically starts recording when sound is detected and pauses during silence — maximizing memory efficiency and battery life.
• Massive Storage Options: Available in 4GB, 8GB, 16GB, and 32GB (up to 64GB) configurations. A 32GB card holds up to 384 hours of recordings.
• 3-in-1 Functionality: Serves as a digital voice recorder, USB flash drive, and MP3 player — one device, multiple uses.
• Auto-Save on Low Battery: When battery levels drop, the recorder automatically saves your current file before shutting down — no data ever lost.
• Timestamp Recording: Built-in real-time clock chip syncs with your computer to timestamp every recording for easy organization and reference.
• On-Device Delete Function: Manage and delete recordings directly on the device — no computer required.
• High-Quality Audio Format: Records in WAV at 192Kbps / 48kHz for studio-quality fidelity; plays back MP3, WMA, and WAV files.

Technical Specifications

What's in the Box

• 1 × Ultra-Thin Card Digital Voice Recorder
• 1 × Data/Charging Cable
• 1 × Earphone
• 1 × User Manual

Learn More About Audio Recording Quality

For tips on best practices in audio documentation and digital archiving, visit the National Institute of Standards and Technology (NIST) for standards on digital recording and data integrity.

Note: Due to manual measurement, please allow a ±1–3 cm variance. Colors may appear slightly different across device displays.

Frequently Asked Questions

Q: How long can this ultra-thin voice recorder record continuously?

A: Recording time depends on the storage capacity you choose. The 4GB version stores up to 48 hours, 8GB up to 96 hours, 16GB up to 192 hours, and 32GB up to 384 hours of continuous WAV recordings at 192Kbps / 48kHz quality.

Q: Does the voice-activated recording feature work well in noisy environments?

A: Yes. The built-in professional-grade noise reduction chip helps distinguish speech from background noise, and the voice-activated recording (VAR) mode is designed to trigger accurately even in moderately noisy environments, ensuring important moments are captured without wasting memory on silence.

Q: Can I use this device as a USB flash drive to transfer files to my computer?

A: Absolutely. The recorder doubles as a USB flash drive. Simply connect it via the included data cable to your computer, and it will appear as a removable storage device — making it easy to transfer, back up, and organize your recordings.

Q: What audio formats does this digital voice recorder support for playback?

A: It records exclusively in WAV format (high-fidelity, uncompressed audio) and plays back MP3, WMA, and WAV files, giving you flexibility to listen to your own recordings or load music files for MP3 playback.

Q: Will my recordings be lost if the battery dies unexpectedly?

A: No. The device features an auto-save function that detects low battery levels and saves the current recording file automatically before shutting down, so your data is always protected.