An Sx22 Wireless Collar Microphone Set

Wireless Technology: Operates on a 2.4GHz frequency with a 40-meter barrier-free transmission range. Battery Life: Offers roughly 9 hours of battery life with a 110mAh capacity. Features: Includes active noise cancellation (ANC) for clearer audio and features a charging case with a digital display. Convenience: Designed as plug-and-play, requiring no application to operate.