Bluetooth is a wireless technology standard for exchanging data over short distances (using short-wavelength radio transmissions in the ISM band from 2400–2480 MHz) from fixed and mobile devices, creating personal area networks (PANs) with high levels of security. Bluetooth uses a radio technology called frequency-hopping spread spectrum, which chops up the data being sent and transmits chunks of it on up to 79 bands (1 MHz each; center...

Bluetooth wireless technology is an international open standard for allowing intelligent devices to communicate with each other over short range wireless links. It allows any sort of electronic equipment - from computers and cell phones to keyboards and headphones - to make its own connections, without wires, cables or any direct action from a user.

Lenovo’s Energy Management interface tool allows user-modification of system settings to make better use of available energy when running mobile versus stationary. Function also allows you to set options for screen brightness, CPU speed and other features which might impact mobile run time.