1.RECHARGEABLE — Save money and reduce waste by not having to replace the batteries. The G60S RPO is USB-C rechargeable. Charging cable included. 2.VOICE SEARCH — With a built-in high-fidelity microphone, you can chat with friends or input words via voice. Please note that the voice search function does not work across apps like Alexa Voice Remote, and only works for the built-in voice input search box or apps(Google Assistant). 3.Bluetooth 5.0 and 2.4GHz RF connections — Advanced Bluetooth 5.0 and RF 2.4G wireless technology that delivers anti-interference and reliable connection. With USB receiver plug and play. 4.BACKLIT & TOUCHPAD — The mini keyboard features an LED backlit design for convenient operation in a dark room. Built-in high sensitive smart touchpad support gesture functionality enables faster and more precise operation.