ECOXGEAR EcoEdge Waterproof Bluetooth Speaker

Down to $29.97 in some locations.

Great reviews and available on Costco.com

Features:

• Connect to Siri or Ok Google to control you music with a simple touch of the EcoTalk button.
• Integrated rubber shocks protect the speaker from rugged use.
• Built-in bottle opener on the edge to open you favorite beverage.
• Meets and exceeds IP67 international waterproof and dustproof standards.
• 20 watts at max output power drives the full range speaker and rear facing  passive woofer for a balanced sound with crisp highs, clear vocals, warm midrange, and deep bass.
• The rechargeable battery provides up to 20 hours of playtime.
• Play Bluetooth audio wirelessly up to 100’ or connect a wired audio source via the integrated 3.5mm Aux-in jack.
• ECOCONNECT: Pair 2 EcoEdge’s together at a distance up to 30 feet between the two speakers and be completely immersed in sound. (Note: ECOCONNECT supports Bluetooth Audio., aux in audio between the two speakers is not supported).