Roger Earpiece v2 is a compact wireless in-ear monitor receiver designed for discreet in-ear monitoring in studio and on-camera environments. It uses license-free 2.4 GHz transmission with adaptive frequency hopping and automatic reconnection. The micro-size earpiece weighs 1.3 g with an 18 mm length, and runs over 20 hours on a zinc-air battery. It delivers 100 Hz–7200 Hz audio bandwidth and up to 100 dB(A) SPL, supports unlimited earpieces in one network, and works with Roger Base Station and Touchscreen Mic.