Other than Thanko’s GOROMO02, here is another wireless mouse that works without a desk, Filco’s BTLS900 Air Mouse. The Filco BTLS900 utilizes Bluetooth wireless technology, instead of 2.4GHz RF used on Thanko GOROMO02. The BTLS900 integrates also motion sensor that allows it to work like the Wiimote.
The mouse offers a range of 10 meters. It features 800dpi resolution. It is powered by 550mA internal battery that is charged via USB port.