Description
-Built-in 250mAh lithium rechargeable battery
-2.4Ghz wireless numeric keypad
-Material：ABS plastic
-Keys：35 keys
-Connection port： USB Wireless Receiver
-Effective distance： 10 M
-Input voltage 3.3V
-Battery capacity ：250mA
-Key stroke life：10 million times
-Product dimension ：120x146x10mm
-Weight：165g
-System compatibility：windowns, Mac OS & Android
