Ultimate Ears Wonderboom 4 Bluetooth Speaker
This speaker delivers 360-degree sound with up to 14 hours of playtime. It is IP67-rated, making it waterproof, dustproof, and floatable, and can be submerged in 1 meter of water for 30 minutes. The price drops from $99.99 to $59.99 to $53.99 when you apply the coupon code "FUTURE10LOGI" at checkout. Free shipping.