Narwhal - Bluetooth Speaker Lid

Narwhal's iconic Bluetooth Speaker Lid lets you turn your favorite drinking vessel into a Bluetooth tumbler designed to provide incredible sound while keeping you hydrated when you’re on the go. Listen to your favorite music, podcasts, or the big game with easy wireless connectivity from the speaker lid to your smartphone and other Bluetooth compatible devices. These Speaker Lids feature a rechargeable battery and built-in patented water and dust resistance. Additionally, two tumbler Speaker Lids can be linked together to play simultaneously for the ultimate portable lightweight stereo sound experience. Dimensions: 20 oz lid - 3.5" diameter  30 oz lid - 4" diameter Compatibility: Brands Compatible with 20 oz Speaker Lids: Yukon Outfitters® (20oz), YETI® (10oz, 16oz, 20oz, 24oz), Tervis®, Toadfish® (20oz), (20oz), Swig® (22oz), STANLEY ® (20oz IceFlow, 30oz IceFlow) SUNWILL (20oz), SIC® (20oz), Reduce® (24oz, 32oz), Polar Camel® (20oz), Ozark Trail® (20oz), Member's Mark (20oz), MAA