Keyboard Material: ABS Compatible: Windows, Android and IOS Keys: 109 Main Chip: BCM 2.4G Wireless Transmission Mouse: 8 x 62 x 102mm (2 x AAA Battery) 3 adjustable DPI: 800 / 1200 / 1600 Operating Range : 10M Working Voltage/Current:2.5mA/3.7V Standby Time: 120 Days Working Time: Maximum 80H Colour: Silver / Black