Freesat has launched the Duo a wireless electronic pen in the Korean market. It is compatible with MS Office Applications and MSN Messenger. With the Duo you can write in the air and on the screen as well. The company is working on an external model for smartphones which might connect via Bluetooth and give character input capability for non touchscreen smartphones. The Duo is available for 59,000 KRW ($ 60) for laptops and 79,000 KRW ($ 80) for desktop PCs.