A trucker is constantly on the road. He frequently receives phone calls from his manager about a change in shipments or route. For safety reasons, the trucker should consider using a __________ to answer phone calls while on the road.

A Bluetooth headset lets the trucker answer calls hands-free, so he can keep both hands on the wheel and focus on driving. A tablet computer or PDA requires more handling, and RFID is a technology for identifying and tracking items, not answering phone calls. The correct choice is Bluetooth headset.

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