EH0392W Features 2.4GHz wireless 3D optical air mouse， keyboard and smart remote control Built-in 6-axis sensor for 360-degree free operation 1:1 motion sensing and identification for excellent user experience Supports voice input function， easy for old people and children to use One key press for sound switchover Integrated detachable lithium battery powered by a USB cable Supports all 2D mouse operations (if supported by APK) Supports plug-and-play function Smart human-computer interaction General Specs Brand & Model MX9-P Transmission Mode 2.4GHz Sensor 6-axis sensor Voice Input Sampling Rate 16KHz Mouse Resolution 160DPI Battery Type ≥ 300mA lithium battery Compatibility Android devices Package Details Weight: 143.38 g Size: 21.3*8*2.8 cm