Logitech G309 LIGHTSPEED Dual Mode Wireless Optical Gaming Mouse - Colour: Black - Shape: Right Handed - Sensor: HERO 25K Optical - Switch Type: LIGHTFORCE Hybrid Optical Mechanical - DPI: 100 to 25,600 dpi - Max Acceleration: >40G - Max. speed: >400 IPS (Tested on Logitech G240 Gaming Mouse Pad) - Connectivity: Lightspeed Wireless (USB Dongle), Bluetooth - Buttons: 6 Programmable - Weight: With POWERPLAY: 68g, With AA Battery: 86g - PTFE Feet - Up to 5 onboard memory profiles - 910-007201