Features:
Apple ios support system， Android， windows system for these three systems， such as smart phones Tablet PC
Featured plastic material is refined， upscale， stylish， simple，
ABS plastic buttons， feel comfortable when using long life.
Folding slim design， compact， small size can be put into a pocket， convenient and practical beautiful.

Specifications:
Battery capacity: 160mah
Charging time :3-4 hours
Operating Current: 2mA
Sleep Current: !#!lt!*!0.2mA
Working voltage: 3.0 ~ 3.7V
Uninterrupted work time: 65 to 75 hours
Standby time: 30 days or so
Distance: 10 meters or less
Together a single product size: 14.6 * 9.1 * 1.6cm
Single Expand Size: 29.2 * 9.3 * 0.7cm
Box size: 27.2 * 15.4 * 3.4cm
Single product Weight: 0.59kg
Single product weight: 0.46kg

Packing :
1， K66S foldable Bluetooth keyboard
2， USB charging cable
3， English manual
4， packing boxes