TD21 ！ 3-IN-1 USB FLASH DRIVE + PEN + TOUCH SCREEN STYLUS (8GB) 24gsm
TD20 ！ 3-IN-1 USB FLASH DRIVE + PEN + TOUCH SCREEN STYLUS (8GB) 16gsm
TD13 ！ 3-IN-1 USB FLASH DRIVE (16GB) 12gsm
