. Item name: Lavalier Microphone. Frequence: UHF. Reciver: 1/4 Mono Jack (180 degree adjustable). Screen: LCD. Compatiable: Phone, Camera, Recoder, Studio, Amplifier,PC. Working Range:Up to 50m. S/N:>98dB. Frequency Response:75Hz~18kHz+/-3dB. Preset Frequencies:48(auto paring). Carrier Frequency Range:UHF 500~980MHZ. Oscillation:PLL Synthesized. Power Supply: Bulit-in Li-on rechargeable battery (500mA). Power Consumption:80mA.
eBay