Specifications:

Brand: Xiaomi
Model: XMWXSB02YM
Color: Black
Product material: PC, ABS, metal, etc.
Connection method: 2.4GHz wireless connection
Rated input 1.5V=50mA
DPI: 1000DPI
Battery type: 1*AAA battery (no battery)
Support system: for Windows 10
Product size: 113*60*36mm/4.45*2.36*1.42in
Product net weight: 55g (without battery)
Executive standard: GB/T 26245-2010, GB4943.1-2011