Saramonic Blink 500 B2, Compact wireless 2.4 GHz 2-channel microphone system, With 2 transmitters and 2 lavalier microphones, The plug-on transmitters can be used with the built-in microphones or the supplied SR-M1 lavalier microphones, Broadcast quality, For mobile video production, vlogging, journalism and more, The belt clip on the receiver serves as a camera shoe holder for easy attachment, Range: 50 m, Frequency response: 50-18000 Hz, Max. Sound pressure level built-in microphone: 120dB SPL, Max. sound pressure level lavalier microphone: 110dB SPL, Sensitivity built-in microphone: -42dB, Sensitivity lavalier microphone: -30dB, 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 lavalier microphone, Dimensions transmitter: 63 × 43 × 16.5 mm, Dimensions receiver: 62 × 33 × 16 mm, Weight transmitter: 34 g, Weight receiver: 27 g@+*Scope of delivery:*@+@+, 1 x RX (receiver), 2 x TX (transmitter), 2 x SR-M1 lavalier, 2 x Alligator-style lavalier microphone clips, 2 x Foam lavalier windscreen, 2 x Gold-plated USB-C to USB-A charging cables, 1 x Pairing pin, 1 x 3.5 mm TRS to TRS cable for cameras, 1 x 3.5 mm TRS to TRRS cable for smartphones and tablets