3.5mm TRS to USB-C adapter jack for external wireless lavalier microphone systems to record to your cell phone. Connect the wireless receiver's output port using the 3.5mm TRS male adapter directly to your phone's USB Type-C port. Plug and play for recording. Features a 50cm coiled cable. Built-in DAC chip ensures clean and clear sound. Depending on the batch, there may be slight differences in product appearance and workmanship, which do not affect functionality. Color: random color; specific color requests cannot be accommodated. Material: plastic. Size: length approximately 50cm. Package includes: 1 x USB-C to 3.5mm elbow spring retractable cable. Other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture to vary slightly from the actual product. Measurement error allowance is +/- 1-3cm.