This Bluetooth transmitter and Receiver supports 2 devices working simultaneously

Easily and conveniently connect your other digital devices and peripherals with the convenience of 4 HDMI inputs

more natural reproduction of high mid-range frequencies

The water tap adapter is designed to fit a standard 15/16" connector

General Brand 58/55mm Step-Down Ring Household Gadgets This Bluetooth transmitter and ReceiverProduct Features Converts the thread size of your lens to the thread size of any other accessory (such as filters, hoods, flashes and lens converters) Easily screws onto the front of lens of the same thread Great tightness, no wobbling or cross threading. Superfine frame polished with strict surface treatment Fits any lens with the same filter thread; manual or autofocus, digital or film.