Specification: Features:_x000D_1. UHF digital chip with less than 1ms transmission delay, automatic ID frequency anti-interference ability, more reliable transmission signal, more stable, clear sound._x000D_2. Automatic sweep pairing function makes it easier and simpler to use._x000D_3. Standard 3.5 to 6.35 audio converter, widely used in all types of speakers and audio equipment._x000D_4. The chip comes with a low power prompt and a low power shutdown function._x000D_5. With digital circuit processing technology, the signal to noise ratio is higher._x000D_6. The structure is made of high-strength ABS, which is beautiful and practical. The lens is made of high-brightness PC material and is more wear-resistant._x000D_7. The U-segment frequency is more penetrating, more stable, and the tone is pure._x000D__x000D_Specification:_x000D_Sensitivity: -39dB 1dB_x000D_Microphone head: single-point capacitive_x000D_Audio response: UHF 630-696MHZ_x000D_Distortion rate: