4G(E-ink) Version AI Recording Card

1. Product Overview

The 4G(E-ink) version of the AI recording badge is an enterprise-level AI portable service terminal for offline face-to-face communication scenarios. The device supports 4G independent networking, without relying on employees' mobile phones or on-site Wi-Fi, you can collect conversations through the microphone array and upload them in time. Combined with cloud ASR and LLM semantic analysis, offline communication is transformed into quantifiable, quality-inspected, and reproducible structured data, forming a conversational intelligent closed loop for enterprise batch deployment, daily wear by employees, and unified analysis and use by managers.

2. core selling points

• 4G independent networking

• 4.98mm slim body

• 30g lightweight wear

• E-Ink Personalized Display

• 20h long recording time

• Pin, magnetic suction double wearing way

• Type-C, Pogo Pin dual charging mode

3. hardware parameters

Basic parameters:

• The product is in card form

• Overall size 67.2*32mm

• Overall thickness 4.98mm

• AdoptPin, magnetic attractionThe way to wear it.

• Weight of the whole machine 30g

• Color is black, support customization

• E-inkScreen size: 2.13 Inch, resolution: 122*250

• Configure 1 RGB indicator

• Configure 1 touch button

• Configure 1 toggle switch

• Equipped with 1 flat motor.
  

Audio Configuration:

• Contains 3 air guide wheat and 1 bone grain wheat

• Recording sampling format is 16kHz/16-bit

• Recording coding using OPUS

• The recommended pickup distance is 5 meters, and the effective pickup distance can reach 10 meters.

Storage:

• Using SD NAND

• Storage capacity range 512MB ~ 64GB.

Communication:

• Bluetooth version supports Bluetooth 5.3 and above.

Transmission rate:

• iOS environment transfer rate of about 50 K/S

• Android environment transmission rate of about 100 K/S

4G：

• AdoptLTE Cat.1

• Transmission rate up to 5Mbps

Charging:

• Battery capacity is 100mAh

• Charging interface is usedType-C

• Charging time less than 2 hours

Battery life:

• Endurance in local recording mode ≥ 20h

• Real-time transfer mode endurance ≥ 10h

• Standby duration ≥ 365 days

Working environment:

• Operating temperature range: 0~40 ℃

• Working humidity range: 5% ~ 95%

• Storage temperature range:-20 ℃ ~ 45 ℃

• Storage humidity range: 5% ~ 95%

Authentication:

• It can meet the certification requirements of mainstream countries such as China, Europe, the United States and Japan.
  

4. software parameters

Local recording:

• The device supports local recording function, and both start recording and end recording are completed by pressing the button for 2 seconds.

• Recording marks can be achieved by clicking the button. Recording includes two modes, namely, live environment recording and automatically recognized mobile phone call recording.
  

Data storage:

• The device has local storage capability, and the voice file will be stored to SD NAND in real time.
  

Data Transfer:

• Bluetooth transmission can complete file transmission after the recording ends, or real-time transcriptions can be realized through real-time streaming.

• WiFi fast transmission needs to be switched with App.

• The USB transmission specification is USB2.0 FS.
  

Device Management:

• Device binding, device unbinding, OTA upgrade, and factory settings restoration are all initiated by the app.

• The device is forced to restart, requiring a long press of the button for 12 seconds.

• The device can store and read device information, including name, model, MAC address, serial number, power, version number, etc.
  

Audio processing:

• Support microphone gain adjustment, used to adjust the amplification degree of the microphone acquisition signal

• Equipped with VAD function, can automatically retain valid voice

• Built-in AI vocal enhancement algorithm to optimize audio effects.
  

Hardware driver:

• Including two parts of the button and motor drive capacity.

• Key drive can realize key recognition and display control function.

• The motor drive can realize the control function of the motor.
  

5. Application Scenarios

Daily wear of enterprise employees, customer reception and store service, sales visit and business negotiation, business meeting and internal communication, medical consultation and nurse-patient communication, engineering inspection and on-site operation, hotel, property and government services, recruitment interview and employee training, service process record and quality inspection, communication review and task follow-up