Rechargeable Keyboard and Mouse Unlike other products on the market,our mouse and keyboard are both rechargeable.It has internal built-in lithium battery,you can use it up to 2 months with a single charge,it also has auto sleep function to save power when not in use. | Ultra Slim Design This keyboard and mouse set is ultra slim,lightweight and compact,portable enough to go between home and office or fit in your business bag,saves your desk space.You may need such a keyboard especially when you often go business traveling. | Confortable Typing Experience Both our keyboard and mouse are designed to reduce noise as possible as we can.Whisper-quiet keys,it can be your best working partner |