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Deal of the day: Sony wireless headphones for $40
Amazon has the lowest price for these headphones when you take the free shipping into account.
What: Sony MDR-IF240RK wireless headphone system
How much: $39.99
Shipping: free
When: unknown date
Click here for product overview.
Update: It appears the price of this item went up sometime after the blog was posted. Amazon is now selling this item for $45.18. Buy.com has it for $39.99, but you'll have to pay for shipping. Thanks to reader "Tundro" for pointing out the price discrepancy in Talkback.