Calculator 29 Keys Wireless 2.4g Digital Mini Usb Keypad/keyboard Solar Panels, Do Not Need Batteries, Use It As A

Description

Calculator Stands#Calculator-Bookmark1#1 Specifications: 100% brand new and high quality Material: ABS Colour: Black Operating frequency: 2.4 g technology Interface: Wireless usb 2.0 interface Receiver: USB receiver, from the computer 10M System requirements: compatible with Windows XP / 7/8 Operating temperature: 5 ℃ ~ 50 ℃, storage: -20 ℃ ~ 65 ℃ Relative humidity: 10% to 10% RH 25 ℃, 25 ℃ Storage: 5% to 95% RH Solar panels, do not need batteries, use it as a calculator. Package content: 1xreceiver 1xKeyboard