Optimal Sound Quality: Experience crystal-clear audio transmission with a state-of-the-art 2.4G wireless microphone system designed specifically for string instruments such as violins, cellos, and guitars. Extended Range: Enjoy the freedom of movement with an impressive range of up to 50 meters, perfect for live performances and professional engagements. Versatile Use: Ideal for a variety of settings including live concerts, studio sessions, and business meetings, ensuring superior sound quality in every environment. Specifications Battery specification: 450mAh Sensitivity: -35dB Frequency range: 2.400GHZ-2.4835GHZ Use distance: about 50 meters Comprehensive distortion: Less than 0.5% Power supply: built-in lithium polymer battery Connection mode: 2.4G wireless transmission technology Use time: 10-12 hours Power supply socket: Type-C charging port Due to different batches, there may be differences in product appearance and printed text, which not affect use Color: black Material: ABS Package Contents: 2 x wireless microphone 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.