Up to 100 hours of gaming performance: The Pulsefire Haste 2 Core Wireless will game for up to 100 hours with a single AAA battery in high-speed 2.4GHz mode. Game even longer in Bluetooth mode with a reduced polling rate.Lightweight, comfortable frame: Make light work of long gaming sessions. With an operating weight of only 70 grams this mouse enables you to move quicker, react faster, and feel less fatigue than with bulkier mice.Dual wireless connectivity modes: Game at peak performance via highspeed 2.4GHz wireless dongle. Switch to Bluetooth mode for a power-efficient connection to compatible devices at a reduced polling rate.HyperX Custom Core Sensor: The HyperX Custom Core Sensor is designed to provide competitive performance, with customizable presets up to 12,000 DPI and a polling rate up to 1,000Hz.Confident Clicking with TTC Gold Switches: The Pulsefire Haste 2 Core Wireless uses durable and tactile TTC Gold switches rated for up to 20 million clicks.