MDR, with the new price to 78.82 against 64.99 for the X05 Audio Dynamix, we understand nothing more to the pricing policy at Amazon. The Raikko has a battery of 1800mA / h against 3000mA / h in AudioDynamix. Dimensions, mm 180x82x54 Audio against 186x80X55 mm for Raikko give a clue for a copy. A ride on the test video at this address, [...]), and see the deception: LOW ZERO !!