Lenovo has a Logitech MX Master 2S - 5 button laser Mouse Sale, $49.99 after e-Coupon Code: MXMASTER50  - Free Shipping. Expires Soon - $75 next lowest at amazon. Rated 4.6 out of 5 stars.

• Cross computer control: Game changing capacity to navigate seamlessly on 3 computers, and copy paste text, images, and files from 1 to the other using Logitech flow
• Dual connectivity: Use with upto 3 Windows or Mac computers via included Unifying receiver or Bluetooth Smart wireless technology
• Advanced ergonomic design: Perfectly sculpted, hand crafted shape supports your hand and wrist in a comfortable, natural position