-port USB-C PD control chip, supports up to 9V/3A PD fast charging (specific charging current depends on the device)Built-in 2.4G high-quality wireless audio chip, non-2.4G Bluetooth wireless, latency as low as 15msLow consumption design, small size, easy to carry and wearCompatibility: With excellent recording compatibility and charging compatibility, it has been verified that it can achieve wireless recording and fast charging on mobile phones, tablets, laptops and other devices of mainstream such as for , , , Pro, and .2.4G wireless lavalier microphoneTransmit : 9dbmMicrophone Sensitivity: -42dBRecording signal-to-noise ratio (SNR): 85dbRecording THD+N: -65dbRecording gain: 18dbDifferent batches, product appearance and color may be different, does not affect the use.Type:Wireless Lavalier Microphone Modulecolor:YellowMaterial:PCBPackage Contents:1 x 2.4G Transmitter Module(without batteries)1 x 2.4G Receiver ModuleOnly 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.