Logitech Wireless Touch Keyboard K400 Plus Product colour___Black efficient and fast efficient and fast 4 GHz Processor cores 10 Processor threads 12 Processor manufacturer Intel Processor family Intel Core i5 Memory Memory form factor SO DIMM Internal memory 8 GB Memory layout (slots x size) 1 x 8 GB Internal memory type DDR4 SDRAM Memory clock speed 3200 MHz Memory slots 2x SO DIMM Maximum internal memory 64 GB Storage SSD form factor M 0 ports quantity 1 Receiver Wireless receiver interface USB Type A Power Service life of battery 18 month(s) Power source type Battery Battery technology Alkaline Number of batteries supported 2 Battery type AA Mouse battery type AA Keyboard battery type AAA Number of batteries (keyboard) 2 Battery capacity 2000 mAh Mouse On off switch Yes Mouse battery type AA Mouse included No Mouse battery life 18 month(s) System requirements Mobile operating systems supported Android 7 chat with friends and much more