Filco Majestouch Convertible 2 Bluetooth and USB Mechanical Keyboard - Cherry Brown Switches - US 87 Tenkeyless - 4 ± 0.5mm Key stroke - 19mm Key pitch - Bluetooth 3.0 Interface - Can Be Paired With Up To 4 Devices - Double Function Keys - Includes: USB cable, AA batteries, FILCO key puller, Key caps for replacement, User Manual - FKBC87M/EB2 - 12 Months Limited Warranty