Reliable 2.4 GHz wireless connection: A tiny nano-receiver connects both the keyboard and mouse using just one USB port;Pencil-thin,Low-profile, whisper-quiet keys ensure comfortable and smooth typing. Hot keys keep access to applications and media control easily;DPI button easily adjusts the sensitivity of the mouse between 3 DPI levels (800/1000/1200).The Nano-receiver can be found in the battery compartment of the keyboard/mouse.Requires 4 AAA batteries (2pcs for mouse, 2pcs for keyboard) , batteries NOT Included.Only support the English Layout.Keyboard size: 280x130x20mmKeyboard weight: 300gMouse size: 113x57x23mmKey: 78 keysBattery type: Using AAA battery(not included)Interface: USB 2.0Operating range: 10 metersHow to use:1. Open the package box, then take out the keyboard and mouse.2. There is a battery compartment in the bottom of the keyboard, then open the battery cover, you will see a USB receiver inside, take out it and insert the device you want to connect.3. After take out the usb receiver, then put 2pcs AAA batteries inside the compartment with correct setting.4. For mouse is same with the keyboard, there also a battery compartment on the back of the mouse, open the cover and put 2pcs AAA battery too with correct setting.5. With USB receiver connect succeed, you can enjoy the keyboard and mouse now!Colour:rose goldMaterial:ABS plasticPackage Contents:1 x Wireless Keyboard1 x 2.4G Receiver1 x mouseOnly the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.About UsWe provide the good product with the best price,we support Wholesale/Drop Shipping Order1. For Drop Shipping order, please remark"dropshipping order", we will prioritize it.2. For Wholesale/Drop Shipping orders, if you have any ideas about the price or package,please contact us in advance,we will give you the best service to satisfy your demands.About Shipments1.We will send out the orders ASAP once your payment is completed normally.2.Please write your complete delivery address with correct phone number and zip code, especially please confirm your full name.About After-sale ServiceWe are reliable seller and we have our professional after-sale service for all of our customs. If there is any question about the order,please contact us in advance ,we will always here until you get a happy answer.About Feedback1. Please check the package and item when you get carefully to make sure there is no problem.2. If you have any problem or are not entirely satisfied with your package,please don’t be hesitate to contact us first before leaving negative feedback. We will resolve the problem to satisfy you.3. If there is no problem, please leave us five star positive feedback.Your affirmation is our greatest motivation ! !