This is the Microsoft Wedge Surface Edition Bluetooth Touch Mouse model 3LR-00009. Inspired by Surface, this special edition Wedge Touch Mouse is small enough to fit in your pocket. The high-end, dark titantium finish looks and feels luxurious, and perfectly complements your device. It is easily paired with Bluetooth technology and perfect for your mobile lifestyle. BlueTrack Technology allows you to work and play on virtually any surface whether you’re at a conference or a coffee shop.