• 【Versatile Display】 3.7-inch screen with 4-color (black, white, red, yellow) E-ink technology for clear visibility in various environments
• 【NFC Connectivity】 Equipped with NFC for quick and easy data transfer, with Bluetooth version available upon request
• 【Customizable Design】 Easily changeable images to adapt to different scenarios, perfect for exhibitions and office use
• 【Compact and Lightweight】 Slim profile and lightweight construction for comfortable all-day wear
• 【Cross-Platform Compatibility】 For iOS and Android systems, through the NFC EINK app

Specifications:

• Screen Size: 3.7 inches
• Screen color: 4 colors (black, white, red, yellow)
• Resolution: 240 x 416 pixels
• Connectivity: NFC (Bluetooth-compatible version available, please consult our sales manager first. Thanks!)
• Power: No external power required
• Dimensions: 105.5 x 60 x 3.8mm
• Weight: 35g
• Compatible Systems: for iOS and Android
• System: NFC EINK