Meritline offers the Zippy Bluetooth Mini Keyboard, model no. BT-500BK, for $39.99. Coupon code "MLCK9F30NL1" cuts it to $29.99. With free shipping, that's tied with our August mention and the lowest total price we could find by $12. This Bluetooth keyboard features support for up to six Bluetooth 2.0 devices, 1-touch switching, and a range of up to 30 feet. Coupon expires after 100 uses.