Keep your device always within reach even when it’s far away with the Satechi Bluetooth Button Compatible with Cortana. Place this nifty device anywhere from your steering wheel to your keychain to gain access to your device at any time. Because the Satechi Bluetooth Button is compatible with Cortana, your entire device is accessible at the press of a button. Using the latest Bluetooth technology, the Satechi Bluetooth Button can work from up to 40 feet away while the included CR2016 battery will last an incredible two years before it needs replacing. Coming with its own mount attachment, the Satechi Bluetooth Button can be placed anywhere that is convenient so you can remain in the moment and focused.