Owlee Wisebox MultiLink Premium Wireless Bluetooth Speaker with Rich Deep Bass (Black) Multi-Link technology allows you to pair two or more speakers together for stereo or party mode playback Howl-Sound bass technology delivers deep, loud and immersive sound, Enjoy up to 10 hours of play time Wireless NFC or Bluetooth pairing with voice prompts; easily take calls and access Alexa, Siri or Google Assistant Extra bass, superior sound quality and more accurate sound reproduction you might not expect from a compact speaker Dimensions: 2.7" H x 7.4" L x 2.3" D