Product features razer mamba gaming mouse gaming grade wireless technology dual mode wiredwireless functionality razer synapse on board memory seven independently programmable hyperesponse buttons 5600dpi razer precision 35g laser sensor 1000hz ultrapolling 1ms response rate up to 200 inches per second 50g acceleration approximate size 128mm x 70mm x 425mm battery life 14hrs continuous gaming 72 hours normal gaming usage depends on surface used product features razer mamba gaming m