B-Stock, Monacor TXS-820 LT, Pocket Transmitter with Tie CLip Microphone, Transmitting power: < 5mW (EIRP), Operating range: approx. 30m, Volume control, Power LED, Belt clip, Power supply via 9V battery (not supplied), Frequency 863,05 MHz, weight 100g, B-Stock with full warranty, may have slight traces of use