Bluetooth 5.0 | 32GB Mass Storage | OPUS HD Recording | Magnetic Fast Charging | Privacy Security
Dezhu AI Recording Card
Slim & Portable, Dictation Integrated
Core Parameters
Massive Storage
Built‑in 32GB local storage for massive recording files, meeting compliance requirements for highly sensitive scenarios.
HD Sound Pickup
Adopts -38dB MEMS microphone with 40dB DSP noise reduction and AGC gain, capturing clear human voice within 5 meters.
AI Transcription
Connect via WeChat mini‑program; supports real‑time recording transcription and translation, greatly improving efficiency of meeting minutes and interview sorting.
Slim & Portable
Weighs less than 31g with only 3.6mm thickness. Card‑style design, easy to carry in pocket or wear on chest with zero burden.
Product Functions
-
Hardware Capabilities
-
Core Algorithms
Slim & Invisible, Stable Connection
- Card‑style Design: 86mm × 55mm × 3.6mm ultra‑thin aluminum alloy body. Works as both a badge and voice recorder with premium business style.
- Stable Connection: Supports Bluetooth V5.0/V4.2 LE with theoretical 1.5Mbps transfer rate. Low‑power and stable for seamless mobile connection.
- Easy Operation: 2 physical buttons (slide power key + record key) for intuitive one‑handed blind operation.
- Magnetic Fast Charging: Magnetic USB interface with 5V/500mA input. Full charge in about 3 hours without messy cables.
Professional Recording, AI‑Powered
- Professional Audio Standard: OPUS encoding, 16kHz sampling rate, 16K bit rate for high‑fidelity sound restoration.
- Intelligent Noise Reduction: Built‑in 40dB DSP noise reduction engine filters background noise to highlight human voice in noisy environments.
- Auto Gain Control: AGC automatically adjusts mic sensitivity for consistent volume from near or far voices.
- Real‑time Transcription: Recordings are uploaded and transcribed into text instantly for real‑time translation and higher efficiency.
Product Advantages
Privacy & Security
Local Storage, Full Control
Local Storage
Built-in 32GB storage saves recordings directly on the device with no mandatory cloud upload, fully protecting business negotiations and personal privacy.
Physical Switches
Independent record and power keys provide physical control of recording status, preventing accidental recording and privacy leaks.
Battery Life & Durability
All-Day Reliability
Long Battery Life
Built-in 500mAh battery supports over 10 hours of continuous use, meeting all-day meeting and training demands.
Wide Temperature Range
Works reliably from 0°C to 45°C, meets CE/FCC safety standards for stable performance indoors and outdoors.
Ease of Use & Management
WeChat Connected, Zero Learning Curve
WeChat Mini Program Control
No separate app needed; complete device binding, recording control, file management and transcription via WeChat.
Multi-End Sync
Recordings and transcripts are clearly displayed in the mini-program, supporting keyword search and file management for quick history access.
Application Scenarios
- Business Meetings & Interviews
- Education & Lectures
- Legal & Admin Office
Business Meetings & Interviews (Professional Recording)
Pain Points
Complex meeting content; handwritten notes miss key information; post-meeting minutes are time-consuming.
Solutions
Real-time Transcription
Wear the recording card for real-time audio-to-text conversion, no manual sorting needed.
Hi-Fi Recording
32GB large storage records tens of thousands of minutes, ensuring full coverage without omission.
Education & Lectures (Knowledge Management)
Pain Points
Fast speaking speed; students struggle to listen and take notes; lack complete materials for review.
Solutions
Clear Sound Pickup
5-meter range with AGC gain captures every word from the lecturer clearly.
Post-Class Review
Replay recordings or view transcripts via mini-program to quickly locate knowledge points.
Legal & Admin Office (Compliance Traceability)
Pain Points
Complex consultation process; key promises need evidence; traditional voice recorders are bulky and obtrusive.
Solutions
Invisible Wear
Card-style badge design, natural and discreet without disturbing communication.
Legal Evidence
OPUS HD recording with clear audio; local storage ensures originality and security of evidence.
AI‑Driven, Simplified Recording
Expert in Meeting & Interview Documentation. We provide product demos and consultation services.
Bluetooth 5.0 | 32GB Mass Storage | OPUS HD Recording
Magnetic Fast Charging | Privacy Security
Dezhu AI Recording Card
Slim & Portable, Dictation Integrated
Powered by Bluetooth 5.0 and 32GB local storage, clearly record every conversation. Real‑time AI transcription boosts recording efficiency.
Core Parameters
Massive Storage
Built‑in 32GB local storage for massive recording files, meeting compliance requirements for highly‑sensitive scenarios.
HD Sound Pickup
Adopts ‑38dB MEMS microphone with 40dB DSP noise reduction and AGC gain, capturing clear human voice within 5 meters.
AI Transcription
Connect via WeChat mini‑program; supports real‑time transcription and translation, greatly improving efficiency of meeting minutes and interview sorting.
Slim & Portable
Weighs less than 31g with only 3.6mm thickness. Card‑style design, easy to carry in pocket or wear on chest with zero burden.
Product Functions
-
Hardware Capabilities
-
Core Algorithms
Slim & Discreet, Stable Connection
- Card‑style Design: 86mm × 55mm × 3.6mm ultra‑thin aluminum alloy body, serving as both an ID badge and voice recorder with premium business style.
- Stable Connection: Supports Bluetooth V5.0/V4.2 LE with theoretical 1.5Mbps transfer rate, low‑power and stable for seamless mobile interaction.
- Easy Operation: 2 physical buttons (slide power key + record key) for intuitive blind‑friendly operation.
- Magnetic Fast Charging: Magnetic USB interface with 5V/500mA input, fully charged in about 3 hours without messy cables.
Professional Recording, AI‑Powered
- Professional Audio Standard: OPUS encoding, 16kHz sampling rate, 16K bit rate for high‑fidelity sound restoration.
- Intelligent Noise Reduction: Built‑in 40dB DSP noise reduction engine filters background noise to highlight human voice in noisy environments.
- Auto Gain Control: AGC automatically adjusts mic sensitivity for consistent volume of near‑far voices.
- Real‑time Transcription: Recordings are uploaded and transcribed into text instantly, greatly boosting efficiency.
Product Advantages
Privacy & SecurityLocal Storage, Full Control
Local Storage
Built-in 32GB storage saves recordings directly on the device with no mandatory cloud upload, fully protecting business negotiations and personal privacy.
Physical Switches
Independent record and power keys provide physical control of recording status, preventing accidental recording and privacy leaks.
Battery Life & DurabilityAll-Day Reliability
Long Battery Life
Built-in 500mAh battery supports over 10 hours of continuous use, meeting all-day meeting and training demands.
Wide Temperature Range
Works reliably from 0°C to 45°C, meets CE/FCC safety standards for stable performance indoors and outdoors.
Ease of Use & ManagementWeChat Connected, Zero Learning Curve
WeChat Mini Program Control
No separate app needed; complete device binding, recording control, file management and transcription via WeChat.
Multi-End Sync
Recordings and transcripts are clearly displayed in the mini-program, supporting keyword search and file management for quick history access.
Application Scenarios
Business Meetings & Interviews (Professional Recording)
Pain Points
Heavy meeting content; handwritten notes miss key information; post‑meeting minutes take much time to organize.
Solutions
Real‑time Transcription
Wear the recording card to enable real‑time transcription; meeting content is converted to text directly without manual sorting.
Hi‑Fi Recording
32GB large storage records tens of thousands of minutes of meetings to ensure full‑process coverage.
Education & Lectures (Knowledge Management)
Pain Points
Fast‑speaking instructors make it hard for students to take notes while listening; complete materials are lacking for review.
Solutions
Clear Sound Pickup
5‑meter recording range with AGC gain captures every word of instructors clearly.
Post‑Class Review
Replay recordings or view transcripts via mini‑program to quickly locate knowledge points and improve learning efficiency.
Legal Consultation & Admin Office (Compliance Traceability)
Pain Points
Complex consultation processes require evidence for key commitments; traditional recorders are bulky and unprofessional‑looking.
Solutions
Discreet Wear
Card‑style badge design looks natural and does not disturb communication.
Legal‑Grade Evidence
OPUS HD recording delivers distinguishable audio quality; local storage ensures originality and security of evidence.
AI-Driven, Make Recording Easier
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