Saramonic Newest Wireless Lavalier Microphone System Blink500 B5 -- 1 Transmitters with 1 USB-C Port Receiver The Saramonic Blink 500 B5 is an extremely compact, lightweight, and professional sounding wireless microphone system that was made to be used with mobile devices that have USB-C ports, like Android smartphones or tablets, computers, and more. This kit comes with a single wireless transmitter with a built-in mic, a professional clip-on lavalier microphone, and a dual-channel receiver that's so lightweight and unobtrusive it can easily be used in handheld gimbals. You can put a mic on 1 person, but if you ever need to put mics on 2 people, you can simply add a second wireless transmitter (sold separately) and it will work perfectly with the included dual receiver. 2.4 GHZ Operation System No technical knowledge of audio is required to operate. The Blink500 system operates on the interference-free 2.4GHZ spectrum and automatically hops to free channels to avoid static noise and audio dropouts Note: Built-in antennas is at the botton. So when you use this mic kit, pls keep the antenna upward. Receiver Specifications: Frequency: 2.4GHz Oscillator type: Gaussian Frequency-Shift Keying (GFSK)RF Frequency Band: 2400 to 2483.5 MHz Signal to Noise Ratio: ≥70dB Voice Delay: ≤6ms Blink500 B5 Specifications Distortion: ≤0.1% Digital Resolution: 24-bit / 48kHzFrequency Response: 20Hz to 16kHz Max Operating Range: 98.4’ (30m) with Obstacles, 164’ (50m) in Open AreaAntenna: Built-in 1/4λ Wire Antenna Blink500 B5 Specifications Connector: USB-C MaleButton: Pairing Pinhole ButtonIndicator: 1 LED, Blue. Flashing Quickly: Paring, Flashing: Not Paired with Any TX, Solid Blue: Paired with TXOperating temperature: 0℃ to 50℃Storage temperature: -20℃ to +50℃ Blink500 B5 Specifications Receiver Dimensions: 3 x 0.65 x 0.43” (76 x 16.5 x 11mm)Receiver Weight: 0.35 oz (10g)Transmitter Dimensions: 2.5 x 1.7 x .65” (63 x 43 x 16.5mm)Transmitter Weight: 1.2 oz (34g)Microphone Pickup Pattern: Omnidirectional Blink500 B5 Package List 1 x Blink 500 TX Transmitter with Built-In Microphone and Clip1 x Blink 500 RXUC Dual-Receiver with USB-C Connector1 x Omnidirectional Lavalier Microphone1 x Lavalier Microphone Clip1 x Foam Lavalier Windscreen1 x 1’ (30.5 cm) gold-plated USB-C to USB-A charging cable1 x Pairing Pin Simply easy to operate: Just turn on the camera, plug the RX into the phone, turn on the TX, and you are ready to record.