OMNITRONIC WAMS-65BT is a replacement wireless handheld microphone for the WAMS-65BT PA system. It uses a dynamic capsule with a cardioid polar pattern and operates at a fixed carrier frequency of 865.0 MHz. The transmitter is powered by two AA batteries via a 3 V DC supply and includes an on/off/mute switch with a power status LED. The black plastic housing measures 26 cm in length and 4.0 cm in diameter and weighs 0.13 kg. Batteries are not included.