The LD Systems MEI1000G2 In-Ear Monitoring Wireless System delivers versatile and reliable in ear monitoring that you can trust at any event. The MEI1000G2 can effortlessly switch between stereo and mono settings letting you adapt to any audio situation. The bodypack receiver can run for over 10 hours when used with a good quality pair of alkaline batteries. Both components of the system feature high quality LCD screens letting you easily keep track of the remaining battery power and stereo audio levels.