A4Tech R7-70D Optical Wireless economical

Ultra Low Power Consumption –7mA Only!!PowerSaver is designed with R7 Ultra Low-Power Technology, only requires 7mA electric current while others require 25mA. R7 just turn your mouse battery–life 3 times longer. .Continuous use - up to 138 hours and above .Continuous use for 2 hours / day = up to 69 days without recharging.Auto-Power-Saving design helps save lot of power intelligentlyMouse sleep status Battery currents mA- 200 milliseconds unused Enter idle mode (takes 2.1mA)- 5 seconds unused Enter sleeping mode (takes 0.8 mA)- 70 seconds unused Enter deep sleeping mode (takes 0.1mA)- 30 minute unused Mouse turns off automatically (takes 0.01 mA)30 minute unused, power turns off automatically (takes 0.01 mA)Hit the road with a button that powers off your mouseR7 performs high-speed RF technology with report rate of 125HzTotally no delays – sensitive wake up callsThe totally no delays function allows R7 to immediately wakes up from any level of sleeping modes.Smart wheel turns to red