Offbeat Alpha Wireless Ambidextrous Laser Gaming Mouse with Bluetooth (2.4GHz Wireless, Black)

NO EXTERNAL BATTERY- Ripjaw wireless mouse has an in-built Rechargeable Li-ion battery and does not require any external battery. Once the battery drains you can play it in wired connection simultaneously charging the mouse, hence there is no wait time for charging it differently or waiting to get new batteries. Ripjaw is having Auto-Sleep Feature: Integrated time-sensing technology will automatically place your mouse in sleep mode if it is left idle, Press left click to wake up.