Wireless conversion system Suitable for: dynamic microphone/condenser microphone/musical instruments and other equipment,0V/48V universal. Automatic frequency binding Automatically connect at startup, with 30 built-inchannels, effectively avoiding signal interference and improving signal quality. Built-in high-performance conversion chip,48KHZ sampling rate, accurately restore every detail of the sound. Ultra-high frequency wireless transmission technology Built-in dual antennas, wireless transmission distance is 50 meters. Large-capacity lithium battery, longer battery life Fully charged, can be used for 6-8 hours. Specification:B:One to One/A:One to Two Color: Beige Material: plastic Package Contents: 1 x receiver 1 x transmitter 2 x 6.5mm adapters 1 x Type-C data cable (data cable Random Color don't accept the specified color) / 1 x receiver 2 x transmitter 3 x 6.5mm adapters 1 x Type-C data cable (data cable Random Color don't accept the specified color) Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.