The BIZZ headset from Bluetrek does double duty as a Bluetooth wireless headset and a USB memory stick. To access the drive’s contents, and charge the BUZZ, simply unplug the ear piece from the body and insert into a USB port – there’s an optional car charger. Memory capacity comes by way of microSD card and supports sizes up to 8GB. Expect up to 7 hours of talk time and 10 days of standby. Weighs 10 grams and set to go on sale in the UK for just over $78.