Only taken out of the box after purchase. Operation confirmed. ・Connection type: Wireless (Bluetooth) ・Keyboard size: Full size ・Function: Bluetooth Connection ・Connection method: Bluetooth + Unifying USB receiver ・Features: Easy-Switch technology ・Logicool Logitech keyboard ・Wireless connection via USB receiver ・Uses 2 AAA batteries ・Silent membrane ・Water resistant ・Unifying K295 windows chrome ・Graphite, domestic genuine product ・K295GP Body size: Width 441 x Depth 149 x Height 18mm Key layout: 108-key Japanese layout Key switch: Membrane Keyboard layout: Japanese Connection method: USB receiver Silent keyboard that reduces operating noise by 90% compared to conventional models Equipped with 8 shortcut keys and a numeric keypad, water-resistant design Supports Unifying USB receiver connection / Wireless connection up to 10m Long battery life of up to 24 months Keyboard angle adjustment function with folding legs on the back