New Smart Ring e-Book Readers like electronic Ring

Touch screen: No
Support Type: HTM, HWP, MOBI, DOC, PRC, XLS, HTXT, CHM, TXT, DOCX, PDF, UMD, EPUB, PDF, PDB, HTML ,DJVU, HEB, RTF, PPT, FB2
Supports Recording Function: No
Dimensions (WxHxD): 1
Display Size: 5"
Package: Yes
Product Interface: Micro USB, USB, MiNi USB, 3.5mm Headphone Jack,MiNi USB2.0,USB2.0, 3.5mm Headphone Jack, Type-C,2.5mm Headphone Jack,MiNi USB, USB2.0,3.5mm Headphone Jack
Color: White,Black
Body Material: Plastic
Memory Capacity: 1.3GB
Weight: 100g
Screen Type: E-ink electronic ink screen
Battery Information: 2000mAh
Bluetooth: No
Backlight: No
WIFI: No
Brand Name: imtimercom
Resolution Ratio: 800*480
Display Color: Black Write
Operating System: VISTA
Signal transmission distance: 1.5cm
Technology: Near Field Communication
Feature: Quick View / Quick Task Start / Privacy Protection
Size: American standard ring size 7-12, 6 sizes available
Material: Pure titanium black glaze/golden white enamel
Style: Ring style
Color: Black