Razer Pro Click Mini Wireless Mouse – Shape: Ambidextrous – Sensor: Optical – Switches: Silent Mechanical – DPI: 400 ~ 12,000 – Acceleration: 35g – Wireless Technology: Razer HyperSpeed 2.4GHz Wireless + Bluetooth – Buttons: 7 – Mouse Feet Type: PTFE – Battery Life: 465 Hours / 725 Hours (2.4GHz/Bluetooth) – Weight: 88g / 111g (1x AA Battery, 2x AA Batteries) – Multi-Host Connection up to 4 Devices – 4-Way Razer HyperScroll Tilt Wheel – RZ01-03990100 – 2 Years Limited Warranty