Rapoo M300 Wireless Optical Mouse - Black

Multi-mode wireless connection: Wireless mouse, Nano USB receiver,
2.4 GHz, Bluetooth 3.0, Bluetooth 4.0 1 AA alkaline battery (installed),
Adjustable 1600 DPI HD sensor Quick Start Guide
7 mouse buttons incl. 2D scroll-wheel, System Requirements
a DPI-switch & a Bluetooth pair button Windows® XP/Vista/7/8/10, USB port
‘Silent click’ mouse buttons Product Dimensions & Weight
On/Off switch & Nano USB receiver Dimensions: 104×65×37 mm
Nano USB receiver storage compartment Weight: 83 g
Includes 1 AA battery
Up to 9 months battery life