Microphone Mobile Phone Camera Computer Radio Noise Reduction 2 1 3-In-1

Input voltage:5V<br> Battery capacity:60 mAh (A grade steel shell button battery)<br> Battery life:5-6 hours<br> Signal-to-noise ratio:64DMB adaptive noise reduction<br> Transmission delay:30MS<br> Sensitivity:-42DB<br> Frequency response range:20-20KHZ<br> Transmission distance:20 meters to 30 meters without barriers<br> Functions:automatic connection, noise reduction, external playback, pause mode, receiver with charging.<br> Type:2 to 1<br> Colour:Black<br> Material:ABS<br> Package includes:<br> 2 x Transmitter with Back Clip<br> 1 x Receiver<br> 1 x USB A to Type C Charging Cable<br> 1 x English instruction manual<br> The package includes only the items listed above; other items are not included.<br> Note: Lighting and display differences may cause the item's colour to vary slightly from the picture. Please allow a measurement tolerance of +/- 1-3cm.