Lenovo Yoga Mouse, Black from Costco.com = $29.97 + tax

https://www.costco.com/lenovo-yog…71576.html
Features:
2.4G or Bluetooth 4.0 Wireless Connection
Multilayer Adaptive Touchpad
1 Month of Battery Life from 2-hour Charge
Ultra-slim, 13.5 mm Design 180-degree Rotatable Hinge
Product Details
The award-winning Black Lenovo YOGA Mouse is a dual function wireless mouse. Use as a normal mouse, or flip it over to flat mode to control your music, entertainment or presentations. The YOGA Mouse is rechargeable and connects wirelessly via Bluetooth 4.0 or 2.4 GHz wireless connection.
Specifications:
Color: Black
Battery Life: Up to 1 month battery life from 2 hours charge
Connection Type: Bluetooth 4.0, 2.4 GHz Wireless via Nano USB
Weight: 69 g (0.15 lbs)
Mice Button: 4 (left click, right click, scroll click, Windows button)
DPI: 1600 DPI
Mouse Sensor: Optical sensor
Hardware Requirements: Supported PC with USB port or with BLE/Bluetooth4.0
Power Requirement: Rechargeable internal battery
Scrolling: Touch scrolling
Brand: Lenovo Yoga
OS Requirements: Bluetooth 4.0 – Windows 10; 2.4G – Windows 7, Windows 8.1, Windows 10
Dimensions: 2.36" x 4.43" x 1.20"
Weight: 0.15 Lbs
Pointing Device Resolution: 1600 DPI
Pointing Device Type: Optical Wireless Mouse
Number of Buttons: 4
Wireless Reception Range: 10 m
Supported Operating Systems: OS Independent
What’s in the Box:
Lenovo YOGA Mouse with dongle inside
USB Charging Cable
Quick Manual
Warranty
Setup Poster
Publish box
Plastic holder to cover mouse