BOOX 4" Compact Touchscreen Android E-Ink eReader

Card-Sized 3.97-Inch ePaper Reader with Dual-Tone Front Light and Physical Page-Turn Buttons for Distraction-Free Daily Reading

The BOOX Picco is an ultra-compact, card-sized ePaper reader engineered to turn fragmented moments and daily commutes into focused, distraction-free reading sessions. Weighing just 58 grams and measuring 5.5mm thin, it pairs an eye-comfort 3.97-inch glare-free display with dual-tone warm and cool front lights, tactile page-turn buttons, and full capacitive touch. Equipped with a long-lasting 920mAh battery, 16GB of expandable storage, and seamless wireless sync via the BOOX Tiles ecosystem, it delivers a pure digital reading experience anywhere you go.

• Card-Sized Ultra-Portable Form Factor: Weighs an astonishingly light 58 grams and measures just 5.5mm thin—roughly the size of a playing card—slipping effortlessly into pockets, wallets, or small bags alongside daily essentials.
• 3.97-Inch Eye-Comfort Monochrome Display: Features a 235 PPI (480 x 800) monochrome ePaper screen with sub-pixel anti-aliasing to deliver crisp, glare-free text legibility under direct sunlight.
• Dual-Tone Adjustable CTM Front Light: Outfitted with independently adjustable warm and cool color temperature lighting, allowing comfortable reading day or night with a single tap or flick of the Function Switch.
• Dual Navigation via Touch & Physical Buttons: Combines a responsive capacitive touchscreen with tactile physical Page-Turn buttons and a customizable Function Switch for seamless one-handed operation.
• Extensive DRM-Free Format Support: Opens a wide range of document types—including EPUB, MOBI, AZW3, FB2, TXT, and PDF—with frictionless transfers via the BOOX Tiles mobile app, web interface, or direct USB-C connection.
• Built-In Distraction-Free Micro Apps: Includes lightweight, productivity-oriented tools such as a Pomodoro study timer, Todo checklist, Countdown tracker, and detailed Reading Stats.

• Display Screen Technology: 3.97-inch Monochrome ePaper Screen with Anti-Aliasing Font Optimization
• Screen Resolution: 480 x 800 pixels (235 PPI Density)
• Touch Interface: Capacitive Touchscreen
• Illumination System: Front Light with CTM (Warm and Cold Dual-Tone Temperature Adjustment)
• Physical Controls & Buttons: Power Button, Page-Turn Buttons (Page Up / Page Down), Customizable Function Switch
• Storage Capacity: 16GB MicroSD Card Included (Pre-installed; Supports expansion cards up to 2TB)
• Wireless Connectivity Protocols: Wi-Fi & Bluetooth (BT)
• Wired Hardware Interface: USB Type-C Port (Supports OTG Data Transfer and Low-Voltage Charging)
• Battery Specification: 920mAh Lithium-ion Polymer Rechargeable Battery
• Operating System & Software: Proprietary Lightweight BOOX Tiles OS (Integrated Pomodoro, Todo, Countdown, Reading Stats)
• Supported Document Formats: EPUB, MOBI, AZW3, AZW, AZW5, FB2, FB2.ZIP, FB3, FBZ, TXT, PDB, PRC, RTF, HTML, XHTML, HTM, CHM
• Supported Image Formats: PNG, JPEG, WEBP, BMP, GIF
• Screen Orientation Flexibility: 4-Way Rotation Support (Portrait & Landscape for Left- or Right-Handed Use)
• Physical Product Dimensions: 105.5 mm x 62.0 mm x 5.5 mm (4.15" x 2.44" x 0.22")
• Net Device Weight: Approximately 58 g (2.05 oz)
• Power Input Requirement: 5V DC via USB-C (Fully compliant with Australian Low-Voltage Standards)
• What's in the Box:
  • 1 x BOOX Picco 3.97" ePaper Reader
  • 1 x 16GB MicroSD Card (Pre-installed)
  • 3 x Screen Protectors
  • 1 x Warranty Card Documentation