rechargeable wireless keyboard and mouse combo water resistance 2.4g white backlit and wireless soundless mouse with nano usb receiver for laptop pc mac felicon <br> <b>tips: as the product is in the process of transportation, some or all of the power will be lost during this period. please charge the product for 12 hours before using the product (activate the built-in battery). if you are confused about how to use the product, please consult our technical section to provide you with professional guidance services, thank you.</b><br><br> <p><b>features:</b><br> 2.4ghz ultrathin wireless desktop keyboard,compact size & fashionable design<br> power saving,the standby time can be up to 1 months<br> adopting low keycap design,more quiet,making the thin design elegant<br> high quality abs material,making the use time of the keyboard prolonged largely <br> plug and play,convinient to use<br> fn+scrlk=turn on/off the backlight, fn+pgup=luminance+, fn+pgdn=brightness-. <br><br> <b>specification: </b> <br> - interface: usb <br> - transmission distance: 197-394 inch <br> - data transmission: 1mbps <br> - frequency: 2405mhz-2476mhz <br> - character material: wear-resisting uv <br> - material: abs <br> - mouse parameter <br> - distance: 5m <br> - mouse key life: about 3 million <br> - mouse size: 130*65*30mm <br> - keyboard parameter: <br> - distance: 5m <br> - voltage:1.5v <br> - keyboard size: 43.5*13.5*3cm<br> <br> <b>package contents: </b> <br> - wireless keyboard *1 <br> - wireless mouse *1 <br> - nano receiver (in mouse) *1 <br> - usb line *1<br> <br> <b>notes: </b> <br> 1.the keyborad is not completely silent. <br> 2.as this keyboard is a us layout keyboard, there is no £ key on the keyboard. <br> 3.when you don't use the mouse for a long time, the mouse and keyboard will enter sleep mode to save battery. click it and the mouse and keyboard will enter working mode again. <br> 4.please plug the receiver into computer first and then turn on the mouse and keyboard.<br>