Rceiver:Carrier Frequency: 460-950 MHz (depending on the permitted frequency range by the country) File Fused in the frequency band permitted by the state) E EX FE (Sensitivity):-95dBm S/N1a (S signal-to-noise ratio): 95 dB TH.D## (TH.D distortion):Less than 0.5% Frequency response:60Hz-16KHz Working distance: 20-50 meters (depending on the environment) environment) Display screen: LCD Battery (Display screen): Built-in lithium battery Working current: 110mA Charging: Type-c input (input) DC5V 1000mA Battery life: 7 hours Transmitter Carrier Frequency: 460-950 MHz (within the permitted frequency band as allowed by the manufacturer) frequency band permitted by the state) Frequency adjustment (Harmonic radiation): Automatically track the operating channel of the receiver. working channel of the receiver) Harmonic radiation: Less than 55dBm Maximum offset: 45 KHz Frequency response: 45Hz-18KHz Display screen: LCD Battery: Built-in lithium battery Working current: 110-150mA Battery life: 7 hours Input socket: XLR female socket Input method: Dynamic coil type Capacitive microphone (small diaphragm) Color: Black Material: Plastic+Metal Package Contents: 1 x Transmitter 1 x Receiver 2 x 6.35mm adapters 1 x Charging cable 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.