CTCStore offers the Acase Black Diamond II 3D Ambience Dock for Apple iPhone for $49.99. Coupon code "ETGCSV4K" drops it to $38.99. With free shipping, that's tied with our December mention and the lowest total price we could find by $11. This speaker/charging dock features an alarm clock function, color-changing LED lights, passive internal amplifier, lighting alerts for missed calls, and more. It's compatible with most iPhone models. Deal ends February 16.