Features: High-clear ink screen: With a 300ppi high-clear ink screen and a resolution of 1024*768, it provides a more comfortable reading experience and protects your eyes from fatigue. Double RAM: Double RAM ensures smoother reading without lag. Rich functions: In addition to reading, it also has functions such as radio, pictures, resources, favorites, and calendars to meet your various needs. Music playback: You can listen to music while reading, making your reading more enjoyable. Freely adjustable fonts and font sizes: It provides four kinds of Chinese and English fonts and five kinds of font sizes, which can be adjusted freely according to your preferences. Specification: Optional Built-in Memory: 4G / 8G / 16G Processor Allwinner: E200 Architecture: Arm 9 + DSP RAM Memory: 512MB Operating System: Ucos Control Interface: Mechanical switch Display Type: 6"e-ink Resolution: 1024*768 Frontlight: yes Built-in Memory Storage: up to 16 GB External Storage: TF card, up to 32 GB Format: CHMDJUVDOCEPUBFB2HMTLMOBIPDBPDFPRCRTFTXT Adobe DRM support: YES Data Transfer: Micro USB 2.0 high-speed Battery Type: Built-in Li-ion Polymer (2500 mAH) Battery Cycle Life: 500 cycles Charging Time: 2 hrs max Minimum System Requirement: Windows 2000, ME, XP, Vista, Win 7, MAC OS X, and Linux (with Mass Storage Device Support) Product Size: 164X110X9.9MM Product Weight: 265G Package Size: 24*15.5*3CM Package Weight: 450g Package list: 1* Ebook reader 1* USB cable 1* User manual 1* Protective case