Saramonic Blink 500 B1 Tx+Rx 2.4GHz Micro-Wireless Lavalier System W/Camera-Mountable Dual-ReceiverSaramonic Blink 500 B1 Tx+Rx 2. 4GHz Micro Wireless Lavalier System W Camera Mountable Dual Receiver MFR SKU: BLINK500B1 Helix SKU: SRBLINK500B1 Overview If you want an extremely small, feather weight wireless microphone system that delivers broadcast quality sound to use with cameras and mobile devices, with the ability to handle two wireless transmitters, nothing is capable of doing this except for the Saramonic Blink 500. This kit comes with a