Model Number: S210 Key Specifications/Special Features: Model: S210Style: StandardSize (mm): 95*63*37 Common specificationsStyles:Amateur Gaming or Standard Sensor: Optical Resolution: 800 - 1600 DPI Buttons: 3/ 4/ 6 buttons including the scoller can be customized Weight: 60~120g (Specific weight depends on the actual configuration) Current levels: Operating: ≤19.3mA; standby: ≤1.4mA; sleep: ≤35μA Material: ABS plastic series Logo printing: Silk/Screen printing, Laser-engraving, Pad printing Usage life: 3 million clicks Application: Desktop & Laptop Supporting systems: Windows/Mac/Linux OS Package type: Color box or Blister package Place of origin: Guangdong, China Certification: CE, FCC, RoHS, etc. WIRED Cable length: 1.35 ~ 1.5m Interface: USB or PS/2 WIRELESS Connection: 2.4 Ghz Interface: USB Nano receiver, plug & play Operating range: ≤ 10m Battery: One AA or two AAA Alkaline batteries