TomTop offers this Sports Water Bottle with Wireless Bluetooth Speaker in Blue or Gray for $29.99. Coupon code "LCXBT6" knocks that to $23.99. With free shipping (choose "Standard Shipping" during checkout), that's the lowest price we could find by $16. This BPA-free 15.2-oz. water bottle has a detachable 5-watt speaker that features Bluetooth 2.1, a microphone, TF card slot, IPX7 water resistance, and rechargeable battery with up to six hours of music per charge.

Note: This item ships from China and requires 7 to 15 business days for delivery. The countdown timer on the product page does not reflect an actual expiration time and resets daily.