Finding a good headset to work with your cell phone is key. Not only do you want to be able to hear in virtually any environment, you want to be heard as well. Futurelooks has a look at the Bluetake BT400 G5 Bluetooth Headset which shows a lot of promise. They go over the product features in detail and tested the BT400 G5 on several phone makes and models. Weighing in around $50, the Bluetake BT400 G5 Bluetooth Headset looks promising.