5pcs RETEKESS TR503 Conference Microphone Condenser Wireless Headset

Polar Patterns : Cardioid Package : Yes Communication : Wireless Set Type : Single Microphone Transducer : Electret Microphone Use : Computer Microphone Style : Hanging Microphones Brand Name : retekess Origin : Mainland China Certification : CE,FCC Model Number : Microphone Notice: TR503 product upgrade, has been replaced with Type-c charging interface TR503 Wireless Microphone FM Frequency 87-108MHz Output power 1MW Charging Voltage DC 5V, 1000mA Lithium battery 250mAh Working time 8~12 hours Charging time 4 hours Product Size 116mm*86.6mm*40.7mm 5 x TR503 transmitter 5 x USB cable 5 x User manual