Audio Wireless Lavalier Microphone System UHF Lapel Microphone For Phone SLR Camera Video Live Interview|Microphones Notification: Ought to full charging while headset and receiver showing Low battery Ought to recharging once every month Choice power supplier accurately DC-5V 500 MA/1 Awith CCC certiflcation "Attention" for Charging,Waterproof,Fireproof,Electricity,Resistant,Inflammable and Explosive The headset mic and receiver should be remove the power immediately when fully chargedUse with caution Match mode, this function is used when using several pairs of headphones with crosstalk athe same time or wearing wheat and the receiver cannot be normally connected. Into the pairing operation: headset mic in a wheat boot state press the code key keep long time,wait until the LED light flashes, indicating that headset micentered the match mode. After ensuring that the headset has entered the match mode and the receiver is turned on,short press the code key once wait for about 5 seconds, the receiverwill receiv after thematch information of the headset, and the match indicator light will turn off after threetimes. Save information auto. Exit the match code mode short press the headset mic with code key once the led lighttops flashing the receiver has a sound output, and the headset and the receiver areuccessfully paired. Product specifications: ABS materials appearance, environmental protection and having dampproof, corrosionresistance function, condenser capsule having voice cotton can been protected spray ofwheat, Mini and potable, carrying convenience. Make sure your wireless amplification suit for all of the speaker device Wireless headset microphone/receiver having low battery indication and low battery shutdownfunction, A/B channel will avoidedthe distraction of the same frequency by changing frequencywhen using the same frequency. Adopting UHF digital PCB board, 2. 5 ms transfer delay, good ability for anti interference, morereliable and stable for transmitter, pure sound A Package List: 1 * Microphone Transmitter 4 * Microphone wireless Receiver 4 * wire Lavalier Microphone 4* microphone sponge 1 * Stereo 3.5mm Mini Plug Cable 1 * XLR-BMP Cable 1* Hot Shoe Base Plate 1 * Plastic Storage Box 1 * 1/2 lines (headphone monitor cable) B Package List: 1 * Microphone Transmitter 4 * wireless lavalier Microphone Receiver 4* microphone sponge 1 * Stereo 3.5mm Mini Plug Cable 1 * XLR-BMP Cable 1* Hot Shoe Base Plate 1 * Plastic Storage Box 1 * 1/2 lines (headphone monitor cable)