Karma Italiana Set 7022PL-A. Connectivity technology: Wireless, Maximum operating distance: 5 m. Microphone dimensions (D x H): 45 x 257 mm, Microphone weight: 0.198 kg, Receiver dimensions (WxDxH): 215 x 42 x 15 mm. Colour of product: Black. Signal-to-Noise Ratio (SNR): 4 dB, Power consumption (typical): 4 W, Audio output: 6.3 mm