SYNCO G1(A1) 2.4G Wireless Microphone System with 1 & 1 Receiver & 1 Lavalier Microphone 70M Transmission 3.5mm Plug for Smartphone Camera Camcorder Vlog Live Streaming Interview Video Rec Features: 【Digital 2.4G Frequency & Auto Pairing】Adopts 2.4G frequency band which prevents other signal s interference guarantees stable and hassle-free audio transmission. and receiver support automatic connection after power on and manual pairing is also easy to operate if you need. 【Long Distance Stable Transmission】The and receiver can transfer stable and -interference signals up to 70m/230ft with 12.5ms low latency. Integrated with DSP technology to optimize audio instantly which is efficient in post processing and offers a audio performance in live broadcasting. 【Low Cut Filter & Low Noise】180Hz optional low cut function could filter out specific low frequency noises like wind air conditional and traffic noises for clear sound output. And microphone windshield is offered to minimize background noise delivering recording even under noisy environment. 【Real-Time Monitoring & 4-Level Gain Adjustment】The receiver has a 3.5mm TRS headphone jack for monitoring recording effect in real time. 0-4 level receiver gain settings with adjustment up to 8dB allows simple and effective optimization of signal levels. It is compatible with DSLR(with 3.5mm interface) mirrorless camera smartphone camcorder audio recorder etc. 【Built-in Rechargeable Battery】Built-in 400mAh rechargeable lithium battery can work up to 5 hours after a full . Supports charging while recording and charging and receiver at the same time via one charging cable. With indicator lights to show working status like power charging pairing and low cut function. Specifications: Brand: SYNCO Model: G1(A1) Color: Black Wireless Transmission: Digital 2.4G RF Frequency Band: 2400-2483.5MHz Working Distance: 230ft/70m(LOS area) 131ft/40m(NLOS area) Latency: 12.5ms Audio Input: 3.5mm TRS Mic Input Power Requirements: 3.3V-4.7V Battery Type: Built-in 400mAh Lithium Battery Battery Life: 5H Audio Output: 3.5mm TRS Mic Output 3.5mm TRS Headphone Output Gain: 0-4 Level (0-8dB) RF Output Power: <10mW Audio Output Level: Line Out 1V Monitoring 25-30mW Microphone Form Factor: Built-in/ External Mic Sound Field: Mono Polar Pattern: Omnidirectional Item Size: 5.2 * 4.2 * 1.6cm/ 2 * 1.7 * 0.6in Packing List: 1 * 1 * Receiver 1 * 3.5mm TRRS Audio Cable 1 * 3.5mm TRS Audio Cable 1 * Lavalier Microphone 1 * Windshield 1 * 2-in-1 Charging Cable 1 * Carry Bag