SEATTLE -- In two days, Washington's cell phone law gets a lot stricter when it becomes a primary offense. As of Thursday, you can get pulled over and cited for using a cell phone while driving, but you can use a wireless device.

When you go shopping, you see all sorts of sale signs. And now at Best Buy, there's a new kind of sign warning shoppers what they should probably buy to avoid breaking the law.

Here are four hands free options suggested by tech guy Chris Pirillo. The first option is the simple Bluetooth earpiece, which will cost you anywhere from $30 to $130. Even cheaper, option two: A simple ear/mouth piece that plugs directly into your phone.

On the other end of the scale, the most expensive, but simplest option - probably the easiest and best option is if your car itself has Bluetooth capability.

If you don't have a Bluetooth car, you can go for option four: a device that's simply like a speaker phone.

The law goes into effect midnight on Wednesday into Thursday.

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