Hama Smart Wireless Black Lavalier/Lapel microphone

Hama Smart Wireless. Type: Lavalier/Lapel microphone, Microphone sensitivity: -38 dB, Microphone frequency: 80 - 16000 Hz. Connectivity technology: Wireless, Device interface: USB, Maximum operating distance: 20 m. Product colour: Black, Housing material: Plastic. Power source: Battery, Battery type: LR44, Battery life (max): 4.5 h. Width: 57 mm, Depth: 15 mm, Height: 10 mm