For extending the battery life of wireless mode, UtechSmart Venus Pro Wireless RGB MMO gaming mouse has special auto sleeping mode and low power consumption mode. Large battery (1000mA) capacity which offers to recharge over 300 times and single 2 hours fully charge. The wireless mode lasts up to 70 hours that satisfy your long-time gaming experience. Moreover, UtechSmart actuation software provides battery specify consumption monitoring for you.