Stagg Wireless lavalier microphone set
Frequency range: 2.4 GHZFrequency response: 20 Hz 20 KHz (+3 dB)Output impedance: 2200 ohms Pairing method: AutomaticMicrophone type: CondenserMicrophone directivity: Unidirectional Microphone diameter: 9.7 x 5.2 mm (0.4 x 0.2") Microphone sensitivity: 47 dB (+2dB)Signal to noise ration: > 63 dB Power supply: Rechargeable lithium batteryPower consumption: < 70 mA at 0 dBmOperating voltage: 2.0 10 V DC Operational distance: 25 metres (82 feet)Operational time: Up to 6 hoursIncluded: 6.35 mm (1/4") audio adapter plug, microphone clamp, windscreens and double charger cord'