Ready to Groove. Bring your music to the beach, bonfire, or backyard patio with style. The Klipsch Groove XXL will bump your favorite playlist via Bluetooth wireless connection or optional 3.5 mm input. Can't Stop the Beat. From pre-game to after-party, the Groove XXL's rechargeable Lithium-ion battery gives you up to 22 hours of playback time ... in fact, we're more worried you'll run out of music.