Wireless Lavalier Microphone BOYA BY-XM6 S4 for iPhone iPad

Transmission type:: 2.4GHz digital frequency

Operating range:: up to 328 feet (100 m) (unobstruc

RF output power:: < 10mW

Polar Pattern:: Omnidirectional

Frequency response:: 35Hz-18KHz

Maximum sound pressure level:: Built-in 120 dB SPL

Maximum sound pressure level - Lapel: 110 dB SPL

Sensitivity - Built-in microphone: 39 dB

Lavalier microphone:: 39 dB

SNR:: > 84 dB

Power Requirements:: Built-in Li-ion battery or USB-C 5V DC or charging

Built-in battery life: Approx.: 7 o'clock

Audio output jack: 3.5mm headphone jack;: lightning connector