Sennheiser AVX-835 SET - digital wireless set with hand-held microphone, fully automatic

Battery lifetime: 15 h | Transducer type: Dynamic | Battery technology: Lithium-Ion (Li-Ion) | Microphone type: handheld | Microphone direction type: Cardioid | Product type: Wireless microphone system | Housing material: Metal | Frequency range: 20 - 20000 Hz | Package contents: Audio Cable x1 | Package contents: User manual | Package contents: Microphone | Package contents: One Receiver unit | Warnings: Use in accordance with the manufacturer's instructions. | Package contents: Transmitter x 1 | Harmonic distortion (THD): 0,1% | Package contents: Mounting bracket x 1 | Package contents: AA battery x 4 | Warnings: Do not open the unit housing. | Package contents: XLR/3.5mm Jack Cable x 1 | Warnings: Avoid contact with water.