The Sennheiser EW-DP ME4 SET (R1-6) is a portable digital wireless microphone system designed for filmmakers, content creators, and broadcasters. It features an all-new portable design, unmatched audio quality, and an intuitive user experience. The system includes a compact digital receiver, a bodypack transmitter, a ME 4 cardioid lavalier microphone, and a mounting kit. It also offers multiple powering options and Bluetooth synchronization via the Smart Assist app. The dimensions of the receiver are 86 x 67 x 28 mm (3.39' x 2.64' x 1.1') and it weighs 804 g. The operating temperature range is -10 °C - +55 °C (14 °F - 131 °F). This system is perfect for those looking to upgrade their audio to the professional level and capture high-quality sound on the go.