Yunseity Wireless Keyboard and Mouse Combo, 2.4GHz Retro Round Typewriter Keyboard with Mouse and Receiver, 90 Keys Ergonomic Computer Keyboard for Laptop PC (Black)

Specification: Number of Buttons: 90 Keys + Multimedia Compatible System: For Win2000 / WinNT4.0 / WinXP / Win.NET / Win7/8/10 / OS X10.8 Rate of Return: None Working Frequency: 2.4G Switch: Membrane Switch Resolution: None Working Current: 1.5mA Battery Model: AAA (Not Included) Color: Black / White and Pink / White and Green / White (Optional) Package List: 1 x Keyboard 1 x Mouse 1 x Instruction Manual 1 x Receiver Note: Please note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering.