The Saramonic Blink 500 B4 is an incredibly compact, lightweight, and professional two-person wireless microphone system made for Apple iPhone and iPad. The two included transmitters are small enough to clip directly to shirt collars, and the included RXDi MFi Certified Lighting receiver is so lightweight and unobtrusive that it can easily be used in handheld gimbals. The Blink 500 B4 makes using multiple wireless microphones with Apple devices easy, and provides broadcast-quality sound in a package that's amazingly compact and lightweight.Tiny body, huge soundFeaturing built-in omni mics, the tiny transmitters deliver pro sound and easily attach to subjects. For a more discreet option, use with included SR-M1 omni lavaliers. The dual-receiver plugs into Lightning port of Apple devices and doesn't require batteries or charging. Just plug it in, and it works.So advanced, it's effortlessThe system operates on the 2.4GHz spectrum, and automatically hops channels to avoid noise and dropouts. Complicated aspects of wireless happen seamlessly in the background, letting you focus on content.Perfect levels and powerGain controls adjust levels at the touch of a button, while an LED indicates where they're set. With up-to 5 hours runtime, USB-C ports can be used to power in the field with USB battery packs. 10mW power gives a range of 98’ with obstacles, and 164’ in open spaces.Handheld gimbal, meet wireless soundCompact and lightweight, it won't interfere with the motors or arm of your gimbal. Capture perfect sound with your gimbal footage, with ability to put mics on two people.An ideal wireless systemThe B4 is ideal for any content creator that shoots with an iphone and gimbal and needs a compact, easy-to-use system that won't throw them off balance.