The Lenovo 2.4G Wireless USB Receiver 10-pack (4XH0R55468) is the perfect and cost-efficient replacement for lost USB receiver of Lenovo Professional Mouse, Keyboard or Combo. Easy to pair with supported devices, just press the pairing button and the mouse or keyboard is usable within seconds. The package contains 10 pieces of USB receiver for more spare. Top features: Cost-efficient replacement for lost USB receiver for mouse, keyboard or combo Supports Lenovo Professional Wireless Laser Mouse, Lenovo Professional Wireless Keyboard, Lenovo Professional Wireless Combo Easy to pair with supported mouse or keyboard Package contain 10 pieces USB receiver