The Bowers & Wilkins Formation Flex Wireless Speaker is powerful enough to be used individually paired for stereo audio but is most effective when used in a whole home multi-room set-up with any one of the Formation Suite Speakers. Using the world-class technology found in B& Ws 600 series speakers the Flex features a woven glass fibre mid-bass driver with a 25mm decoupled dome-tweeter for superlative fidelity. Flex works with a number of sources to suit a variety of setups with control possible via the Bowers & Wilkins Music App Wi-Fi Apple Air Play 2 Bluetooth Roon & Spotify Connect to a 24-bit/96k Hz hi-res standard. Formation technology encourages whole-home scalability. Perfect when you want sound in every room or for something as simple as 5.1 surround sound just pair flex with the Formation sound bar & sub & enjoy a confident & stable connection that utilises B& Ws Patented Robust Mesh Network.