E_book Reader: WM218A+
Display and screen: 5-inch,
Monochrome reflective display
Internal reflective display, e-paper
Resolution and color: VGA 640 x 480，
16-gray scale display
Memory card slot: SD card
Battery: 2800mAh Rechargeable Lithium-ion
Maximum battery life: up to 22 hours，
stand-by time one month.
Dimensions:154mm x 110mm x 13.5mm
Formats: EBA, EBAML(EBA2.0), TXT, PDF,
BMP, JPG, GIF, Animated GIF, MP3
Voice technology: Text to speech (TTS) (only support: txt,EBA,EBA2.0)
Products authentication:CE, RoHS