ELECOM Ultra-Thin Wireless Keyboard Connection Method: USB Wireless Receiver Model Number: TK-FDP098TBK Black Working Condition Confirmed Used, As Is Use by inserting the wireless receiver into a USB port. Batteries included, ready to use. Contents: Keyboard, Wireless Receiver, Instruction Manual, Batteries Outer box has damage and stains. Please refrain from purchasing if you are looking for a perfect item. Shipping: Yu-Packet Post Simple packaging, just putting the outer box in an envelope. Compact Keyboard Windows/mac Pantograph Method Hiragana characters printed