Want sound when doing gardening work or chores around the house? What about when your having a picnic? Worried about getting caught in the rain? At $300, the water resistant BRAVEN 855s Bluetooth speaker may be your sort of bag. With a built-in mic, you can use it to answer calls without having to disconnect. Perhaps you can even write this device off as a business expense? Read the BRAVEN 855 Blueooth Speaker Preview What application do you use a portable speaker for?