2.4GHz RF Wireless Technology with 12 Channels (65,000 IDs per Channel)nPower ON/OFF Switch for Increased Energy SavingnPower Sleep Mode: 5 minutes (if not used)nConnect Button for Easy ConnectionnBattery Low LED IndicatornKeyboard Layout: 104-Key US Layoutn2 AAA Batteries IncludednMagnetic Receiver Tray on the Back of Keyboard for Storagen