Boya Lapel Wireless Microphone BY-XM6 S2

Transmission type: 2.4ghz digital frequency operating range: up to 328ft (100m) (without obstacle) rf output power:<10mw polar pattern: omnidirectional frequency response: 35hz-18khz maximum spl: built-in microphone: 120db spl; lavalier microphone: 110db spl sensitivity: built-in microphone: -39db; lavalier microphone: -39db snr: > 84db power requirements: built-in li-ion battery or usb-c dc 5v or charging contact built-in battery life: approx. 7 hours audio inputs: 3.5mm trs mic/line in jack or built-in microphone weight: tx: approx. 32g (1.13oz); rx: approx. 32g(1.13oz) dimensions: tx: 62.1×31.6×16.5mm; rx: 62.1×31.6×16.5mm audio output connector: 3.5mm headphone jack; 3.5mm trs output jack audio output level: –60 dbv to -20dbv