2.4GHz high-quality lossless digital transmission: 48k/24bit performance-level sound quality, full digital, audio anti-interference, broadband, lossless transmission, ensuring authentic sound quality 180 rotatable audio head: The large-angle rotating head can adapt to almost all musical instruments. It can be folded close to the instrument when in use and folded and stored to save space when not in use. 6.35mm standard audio head: True gold plating process, even weak audio signals can still be transmitted continuously, stably and with high fidelity, with minimal attenuation Colour:Black Material:plastic Package Contents: 1 x receiver 1 x transmitter 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.