Saramonic Blink 500 B1, Compact Wireless 2.4 GHz 2-Channel Microphone System, The plug-in receiver can be used with the built-in microphone or with the included SR-M1 lavalier microphone, Broadcast quality, For mobile video production, vlogging, journalism and more, The receiver can be easily mounted to the shoe of your camera, Range: 50 m, Frequency response: 50 - 18,000 Hz, SPL (sound pressure level) built-in microphone: 120 dB SPL, SPL (sound pressure level) lavalier microphone: 110 dB SPL, Built-in microphone sensitivity: -42 dB, Lavalier microphone sensitivity: -30 dB, Power supply: Li-Ion battery or USB-C DC 5V, Up to 6 hours of battery operation, Audio input: 3.5 mm mini jack for the lavalier microphone, Dimensions of the transmitter: 63 × 43 × 16.5 mm, Dimensions of the receiver: 62 × 33 × 16 mm, Transmitter weight: 34 g, Receiver weight: 27 g@+*Included:*@+@+, 1x RX (receiver), 1x TX (transmitter), 1x SR-M1 lavalier microphone, 1x Lavalier microphone with alligator-style clip, 1x Foam lavalier windscreen, 2x Gold-plated USB-C to USB-A charger cables, 1x Pairing pin, 1x 3.5 mm TRS to TRS cable for cameras, 1x 3.5 mm TRS to TRRS cable for smartphones and tablets