4 Inch 528×768 Dot Matrix E-Ink Badge BLE NFC Wireless Charge

4 inch Black White Red Yellow four-color electronic ink staff ID badge, model YE0400G4-P1, part number CARD40_BLE, 528*768 resolution with 236 DPI high pixel density, built-in NFC induction sensor & 2.4G BLE Bluetooth module, wireless charging supported, physical page flip button reserved, 180° ultra-wide full viewing angle. Ultra slim 3mm lightweight design, matched adjustable red lanyard, ideal for hospital nurses, factory staff, office employees and exhibition visitors; supports text, avatar photo, QR code & barcode editing via mobile APP and cloud web platform.

This YE0400G4-P1 smart digital work badge marked CARD40_BLE adopts BWRY four-color electrophoretic e-ink display (Black / White / Red / Yellow). Equipped built-in NFC proximity sensing chip and 2.4G BLE low-power Bluetooth, 180° all-angle readable screen without reflection. Built-in 180mAh wireless rechargeable lithium battery, full single charge supports 1~2 months ultra-long standby. Independent physical flip button stores multi-page shift & personal data, supports DIY template design and OTA remote firmware upgrade. Cloud + mobile dual editing system enables batch content update; ultra-thin 67.65*106.2*3mm lightweight body only 32.95g, matched 47cm red lanyard, widely used in medical institutions, manufacturing plants, corporate offices and exhibition personnel identification management.

• 4 inch BWRY four-color e-ink screen, 528*768 236DPI high resolution for clear staff photo & info display
• Built-in NFC proximity sensing chip & 2.4G BLE dual wireless module for fast scan connection & induction trigger
• Independent physical flip button supports storing multiple pages of shift, temperature and personal data
• 180° omnidirectional ultra-wide viewing angle, no screen reflection under indoor lighting
• 180mAh wireless rechargeable lithium battery, full charge delivers 1-2 months long standby cycle
• Mobile APP one-click wireless content update, no wired connection required for on-site editing
• Free drag-and-drop DIY template design, freely switch multiple preset info layouts
• Support remote OTA firmware upgrade to continuously add new template styles & functions
• Ultra thin 3mm slim body, only 32.95g lightweight, comfortable long-time wearing
• Comes with matching 47cm red adjustable lanyard with safety plastic buckle
• 0~50℃ wide temperature adaptability, stable operation in hospital, factory & office indoor environments
• Support text, portrait, QR & barcode mixed layout for staff identity & self-check-in display
• Cloud web background supports batch editing & synchronous update of hundreds of employee badges
• Paperless replacement of disposable plastic name cards, lower long-term office management cost

• Hospital nurse & medical staff smart work ID badges for shift & body temperature recording
• Factory production line workers attendance & access control electronic name tags
• Corporate office employee paperless identity display cards for daily personnel management
• Exhibition & conference visitor digital identification e-badges with QR inquiry function
• Campus teachers, instructors & student multi-function electronic nameplates
• Real estate sales staff digital badges with contact QR code for customer scanning
• Chain retail store shop assistants shift information electronic labels
• Industrial park staff access control & real-time personnel location tags

Physical Photo

Physical Photo

Badge Rear NFC Induction & Wireless Charging Area Structure

4-Color E-Ink Screen Color Rendering Test Panel

Standard Matching Red Safety Buckle Lanyard

Full ESL & Smart Badge Product Line: We supply complete series e-ink products including 3.6/4/7.3/7.5/10.85 inch smart employee badges & conference table signs, matched cloud editing software, OLED and TFT LCD auxiliary display modules for hospital, factory and office paperless personnel management projects.

Competitive Factory Direct Price: Original manufacturer without intermediate dealers, support small sample trial orders and enterprise large batch procurement, flexible tiered volume discount policies for corporate and medical clients.

Strict Pre-Shipment QC Inspection: Every CARD40_BLE electronic work badge passes full function testing before delivery, covering four-color screen uniformity, BLE+NFC signal stability, wireless charging performance, page flip button sensitivity and template refresh test.

Professional Paperless Solution Team: Our engineering team provides one-stop service including exclusive department preset templates, private cloud system docking, batch operation tutorials and long-term after-sales technical guidance for hospital & factory staff digital transformation projects.