TECKNET Ergonomic Mouse, 4800 DPI Wireless Vertical Mouse with 5 Adjustable DPI Levels, 6 Buttons 2.4GHz Optical Carpal Tunnel Mouses for Laptop, Desktop, PC, MacBook - Black

TECKNET Bluetooth Mouse, 4800 DPI Wireless Mouse, 2-Year Battery 6 Adjustable DPI, 6 Buttons Compatible with Laptop/Windows/Computer - Blue

TECKNET Wireless Mouse, 2.4G USB Computer Mouse with 6-Level Adjustable 4800 DPI, Silent Quiet Click，30 Months Battery, Ergonomic Grips, 6 Buttons Portable for PC, Chromebook, Mac - Grey

TECKNET Wireless Mouse, 2.4G Ergonomic Optical Mouse, Computer Mouse for Laptop, PC, Computer, Chromebook, Notebook, 6 Buttons, 24 Months Battery Life, 2600 DPI, 5 Adjustment Levels

TECKNET Wireless Doorbell, Self-Powered Doorbell, 0-110db Plug-through Wireless Doorbell Ringer for Homes Classroom, IP66 Waterproof 1300ft Door Chime with Extra Socket, 60 Chimes, LED Light (White)