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

Amazon.com: 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 : Electronics

TECKNET EWM01576 Wireless Mouse User Manual

TeckNet Bluetooth Mouse Pairing: EWM01308 User Manual & Instructions

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)

TECKNET Bluetooth Mouse, 3200 DPI Wireless Mouse (BT5.0 & 3.0) 5 Adjustable DPI, 6 Buttons and 2-Year Battery Computer Mouse Compatible with Laptop/Computer/Mac/Windows/Chromebook/Notebook

TECKNET Wireless Doorbells for Home, IP65 Waterproof Door Bell 1300ft Range, 0-120dB Classroom Doorbell Kits with 60 Chimes & 5 Volume Levels, RGB Flashing for Hearing Impaired with 2 Receivers,White