Features: 
2.4G wireless transmission, 10m transmission distance, stable and fast.
Powerful optical engine provides accurate click, quick response and stable signal.
3 adjustable DPI(1000-1600-2400DPI), easy to switch, adapt to a wide range of material surfaces, accurate and reliable position, meet your daily office and gaming needs.
Ergonomic design, the vertical type mouse fits the palm and fingers, reduces discomfort when using, bid farewell to the "mouse hand".
Equipped with USB receiver, plug and play, convenient to use.

Specification:
Brand: ZELOTES 
Model: F-17
Button number：6
Tracking system: Optical
Connection mode: 2.4G wireless
Effective distance: 10m
DPI: 1000-1600-2400DPI
Frequency: 2405MHz-2476MHz
Button life: 3 million times
Roller life: 1.2 million times
Battery: 1*AA battery(not included)
Working voltage/current: 3V/4mA
Supported system: Windows 2000/ME/XP(64bit)/Vista/Win7/Win8/Mac OS X(over V10.4)
Item size: 13.4 * 9.6 * 8.3cm /5.28 * 3.78 * 3.27in
Item weight: Approx. 100g /3.53oz

Packing list:
1 * Mouse                                                                     
1 * USB receiver
1 * User manual