Newegg offers the Asus Bluetooth 4.0 USB 2.0 Adapter, model no. USB-BT400, for $4.99 with free shipping via the directions below. That's tied with last month's mention and the lowest total price we could find now by $5. It features transfer rates up to 3Mb/s. Deal ends today. To get this deal:

1. View the Asus Bluetooth 4.0 USB 2.0 Adapter for $14.99
2. coupon code "EMCASNW49" cuts the price to $9.99
3. redeem this $5 mail-in rebate for a final price of $4.99