Livid Instruments has updated their wireless Guitar Wing MIDI controller with support for direct connections to you devices over Bluetooth LE.
Apple introduced support for direct MIDI connections over Bluetooth LE with OS X Yosemite an iOS 8, and with a firmware update, the Guitar Wing will work with this new connection on either platform. The update allows people to use their Guitar Wing with their Apple devices while consuming less power.
The Guitar Wing first debuted as a Kickstarter project in early 2014. When attached to an electric guitar or bass, the accessory allows users to control effects in any program that works with MIDI input. The controller works with applications like Abelton Live, Apple's Logic, and Livid Instruments' own WingFX. You can grab the Guitar Wing from Livid Instruments for $189.
Source: Livid Instruments