The World’s Smallest USB Receiver Plug-and-forget nano-receiver: Barely larger than a coin, the receiver is so tiny you can plug it into your notebook just once – and forget about it. Small, yet powerful: Expect a robust wireless connection with advanced 2.4 GHz cordless technology. Convenience Always ready: Leave the nano-receiver plugged into your notebook—your mouse is always ready. Protective pouch: Use the stylish pouch to protect your mouse when it’s not in use. Longer battery life: Get up to 6 months of use (or longer with the convenient on/off switch). Ultra-Portability and Style Ultra-portable mouse design: So slim, it slips easily into your notebook bag. Attractive style: Complements your active lifestyle with an ultra-slim, sleek design. Storable receiver: Store the nano-receiver inside the mouse when you need to free up a USB port. Shuts down when stored, saving more battery life.