Outdoor Tech offers its Outdoor Tech Turtle Shell 2.0 Bluetooth Speaker in eight colors (Red pictured), model no. OT1800, for $99.95. Coupon code "CentralMichZach" cuts it to $74.96. With $7.50 for shipping, that's the lowest total price we could find in any color by $10. This dust-proof and water-resistant speaker measures approximately 6" x 4" x 2" and features a wireless range of 32 feet, up to 16 hours of playback, microphone, and carry pouch.