TELESIN wireless tie microphone + powerbank for phones (USB-C)TELESIN wireless tie microphone + powerbank for phones (USB C) The TELESIN brand set includes two wireless tie microphones, a USB C receiver and a case that acts as a powerbank. The compact size, range of up to 200 meters, clear sound and 18 hours of operation make the device ideal for all conditions both in the field and in the home studio. The microphone works with devices via USB C, and its operation is as simple as possible just plug in the