Features:Universal Wireless MicrophoneWith a 3-in-1 universal receiver, the wireless lapel microphone is compatible with DSLR cameras, camcorders, iOS and Android devices at the same time, suitable for video recording, vlog, live streaming, interview, etc.Stable Long Distance TransmissionAdopting 360omni-directional pattern and 2.4G wireless transmission, the clip-on microphone can capture audio in lifelike clarity and achieve up to 120m stable long distance effective transmission range.Noise Reduction and Real-time MonitoringBuilt-in DSP chip provides 3 selectable noise reduction modes to adapt to any complex recording environment. Supports Real-time monitoring with 3-step adjustable volume.Portable Voice Recorder and Supports TF StorageMic transmitter can serve as a standalone voice recorder anytime, anywhere. And supports local TF card audio storage, no more worry about file loss. Insert the included 32GB TF card and start recording right away.Built-in Battery and With Charging CaseReceiver and transmitter feature built-in battery, and supports up to 10 hours of continuous playtime when connected to a camera via 3.5mm interface. Includes a charging case with rechargeable battery for storing and charging transmitters and receiver, ideal for outdoor live streaming/interview.Specifications:Brand: TAKSTARModel: V4Type: One-Trigger-One/ One-Trigger-Two(optional)--MicrophoneFrequency: 2.4GHzLatency: 25msFrequency Response: 20-20kHzInput Voltage: DC 4.8V~5.4VSensitivity: -26 dBFSS/N Ratio: 64 dBBattery: 230mAh Working Time: 10hrsCharging Time: about 80 minsDimensions: 49.25*20.9*20.56mmWeight: about 14g--ReceiverFrequency: 2.4GHzLatency: 25msFrequency Response: 20-20kHzInput Voltage: DC 4.8V~5.4VSensitivity: -26 dBFSS/N Ratio: 64 dBBattery: 230mAh Working Time: 10hrsCharging Time: about 80 minsDimensions: 53.4*43.63*22.09mm Weight: about 18.7g--Charging CaseInput Voltage: DC 4.8V~5.4VBattery Capacity: 2000mAhCharging Time: 90 minsDimensions: 111.2*79.5*34.4mmWeight: about 128.2gPacking List:2 * Mic Transmitters 1 * 3-in-1 Receiver 1 * Charging Case1 * Wired Earphone1 * Audio Cable1 * USB-C Charging Cable2 * Windscreens1 * Carrying Pouch2 * TF Cards