6 inches E-INK 800*600 TFT display screen. Support MP3, WMA, FLAC, AAC, WAV and OGG audio formats playing. Support TXT, FB2, PDF, PDB, EPUB and HTML eBook formats reading. Support JPG and BMP picture formats. Built-in 4GB capacity and supports SD card expansion up to 8GB. Support voice recording in WAV format up to 277 hours. Built-in 3.7v 2000mA lithium battery. Support TTS. EQ effect selectable. Support script rotation in a vertical angle. Fonts size selectable. USB2.0 interface with high transferring speed. Full number and key pad for easy page turning etc. Support English and Chinese. Size: 176.4*127.5*10.5mm. Charger input: AC100~240V 50/60Hz Max: 100mA. Charger output: DC5.0V 1.5A.