Enhance the audio of your Roku TV or expand your Roku Smart Soundbar system with the Roku Wireless Speakers. They pair wirelessly to your Roku TV or Roku Smart Soundbar and feature a 3. 5" woofer and a 0. 75" tweeter to deliver full-range audio. They're designed for simple pairing with wireless connectivity. Integrated 1/4"-20 mounting holes let you mount the speakers to your walls with compatible mounting hardware. Wireless Speakers (Pair). For Use with Roku TVs or Smart Soundbars. Bluetooth & Wi-Fi Connectivity. Dimensions: 4. 9 x 7. 7 x 4. 9" / 12. 4 x 19. 6 x 12. 4 cm (Each). Accessories included: Roku Wireless Speakers, 2x power cables. Bluetooth Audio Streaming. 3. 5" Woofers, 0. 75" Tweeters. 1/4"-20 Mounting Holes. Roku Wireless Speakers are the easy way to upgrade the sound of your Roku TV or add surround sound to your Roku audio system.