Ultra low latency, 20m unobstructed reception, you can use outdoor live streaming and take a small video. No need app, plug and play, one click connection, easy to use. Intelligent noise reduction, 8-12 hours long endurance, easy to cope with all kinds of noisy environments, worry-free shooting, meet your needs for a day. Omnidirectional pointing pickup, record every detail of the sound. Small and handy, compatible with various devices, compatible with mobile phones, tablets, cameras, laptops, etc. Transmission distance: 20M (Barrier Free) Working Frequency: 2.4GHz Sensitivity: -26dB Frequency Response: 20-20KHz Signal-to-noise Ratio: 64DBM Material: ABS+PC Package included: 1 x Microphone 1 x Receiver (can charge for mobile phone) 1 x User Manual 1 x Charging Box With Digital display screen