Model Number: S190 Key Specifications/Special Features: Model: S190Style: StandardSize (mm): 95*55*30 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