Features:
One-to-many connection: One tiny receiver for up to six Unifying devices.
Plug it and leave it, then connect additional mice and keyboards to one computer.
Download Unifying software to quickly add all of your devices to one receiver.
It's convenient, clutter free, advance 2.4 GHz wireless technology.
For easy mobility and exceptional experience, keep a mouse-and-keyboard at work, at home and in your computer bag. They are always ready to use from only one USB port.

Compatible with Unifying Mouse or Keyboard:
For Anywhere Mouse MX: Mx master, M950T, M950, Mx Anywhere2, M905, M705, M720, M525, M515, M510, M505, T620, T400, M345, M325, M310, M310T, M320, etc
For Logitech keyboard: K400r, K750, K800, K520, K710, K780, K230, K340, K350, N305, K340 .Etc
For Logitech Wireless Solar Keyboard K800.

Specification:
Mode: 6 Channel Device
Type: Receiver for Logitech Unifying
Material: ABS, metal
Item Color: As shown
Size: about 1.4x1.8x0.3cm / 0.5x0.7x0.1 " (LxWxH)

Package list:
1 x Wireless Receiver

Notes:
1. Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Thank you!
2. Please allow 0.1-2cm measuring deviation due to manual measurement.