Lightweight FM Headset Mic For Teaching Guides

This FM wireless microphone headset measures 14 × 4 × 17 cm and weighs minimally for all-day comfort. It operates across the full UK FM band (87–108 MHz) and transmits wirelessly up to 20 metres. Key technical attributes: 680 Ω impedance, −52 dB ±1.5 dB sensitivity, digital tube frequency display, and built-in rechargeable battery supporting over 10 hours of continuous voice amplification. Compatible with any FM-receiving device — no additional hardware needed. Includes charging cable and user manual. Intended solely as a transmitting headset; FM receiver (e.g., portable radio or speaker) must be sourced separately.