This MP3 player E-book reader is convenient to use, the 7-inch for TFT screen can display E-book clearly. The 7-inch E-book reader support music playing and support formats such as MP3, WMA, AAC, and so on. The HD E-book reader is portable and convenient to use. You can easily put it into a bag and carry it. The E-book tablet is comfortable to use, easy to use, and is a great gift to give to your friends and family. The E-book reader is suitable for many places to use, no matter you are at the home, office, or during travel. Specification: Color: Black. Architecture: Arm 9 + DSP. Speed: 380 MHz. RAM Memory:128MB-512M. Operating System: uCOS. Display Type: 7 inch for TFT LCD, 16:9 ratio Resolution:800 x 480 Contrast Ratio:400 (Typ) Brightness:250 cd/m2 (typ) Response Time:Rise: 12ms, Fall: 18ms (typ) Viewing Angle:top: 30-70, bottom: 50-70, left: 50-70, right: 50-70. for Built in Storage:Up to 32 GB External Storage: for TF card, up to 16 GB Format:EPUB, PDF, TXT, FB2, PDB, Font Size:5 font sizes DRM:Supports ADOBE-DRM Music Format:MP3, WMA, For AAC, WAV, OGG Photo Format:JPG, BMP, GIF, PNG Slide show:Normal, music slide show File browse:Thumbnail, list Others for Zoom in/out, rotate, pan Video Format MPEG1, MPEG2, MPEG4XVID,For DIVX, H.264, H.263, RM/RMVB, MKV, MOV, VOB, FLV Voice Recording Format:N.A Audio:3.5 mm audio for jack Data Transfer:Micro USB 2.0 high speed Storage for TF card for Built in Speaker:0.7 W speaker (optional) G sensor: Yes (optional) Clock:YES Battery Type: for Built-in Polymer (2100 mAH) Battery Cycle Life 300 cycles Playback Time Ebook: 6~8 hrs Music: up to 10 hrs (backlight off) Ebook + Music: up to 6 hrs Video: up to 5 hrs Charging Time:By PC (5V,500mA): 10 hrs (approx.) Note There might be a bit color distortions due to different resolutions. There might be a slight errors due to different hand measurement. Package included: 1x E-book reader.(Battery for built-in) 1x User manual.