Features: 2.4G Wireless Receiver Integrated Design 90-degree Flip Touchpad Windows Multimedia Control With a Real Notebook Touchpad Real QWERT full-function Mini Keyboard A Perfect Keyboard for your For Windows & Mac OS PC, HTPC, IPTV, PS3 & Xbox 360 etc. Portable, Elegant, Lifestyle Note: This keyboard doesn't work well on Samsung Smart TV. Mind this :) FAQ:1. Q:Yellow light flashing when you use the keyboard?A: This means the keyboard doesn't connect with your device.Pls repair it first on your PC follow below steps:Step1: Keep your PC on, and be sure the keyboard is full of power.:)Step2:Press the F1of Rii mini keyboard without releasing.Step3: Turn on the keyboard then Release F1Now the yellow light should flash very quick. If it doesnt , pls repeat step2 & step3 .Step4:Plug the USB receiver on the USB port of your PC.(Note : this must be the last step.) Now the yellow should flash slowly and regularly. Wait a moment. The keyboard will repair automatically.When the yellow light stop flashing, it means repair successfully. 2.Q: Where is the USB receiver??A: The receiver is in the left of the keyboard, close to the light in the keyboard.