RAZER™ VIPER V3 HYPERSPEED Congratulations on getting your Razer Viper V3 HyperSpeed connected. Have fun exploring the following features: Calibrate your sensor’s lift-off and landing distances by up to 26 levels for a greater level of precision using Asymmetric Cut-off. Enable Razer Hypershift technology to double the number of customizable buttons on the mouse for extended control. Pair your mouse and compatible Razer wireless keyboard to the same Razer HyperSpeed dongle thanks to multi-device support. Product code New: 788269