... caculator,memory calculation:M+,M-,MRC 4.Pen container 5.USB HUB SHS889B/CCalendar:display date,time,alarm, temperature Temperature range 0 ... °C-50°C 5 USB HUBS(one in,four out) Type B: Version 1.1 ... N.W./G.W.: 17.5/19kgs MEAS: 52x34x56cm Electronic gift calendar penholder with usb hub