Take the hassle out of vlog and interview audio with the Sony Ecm-W2BT Digital Bluetooth Wireless Microphone. This set contains a Sony Ecm-W2BT Digital Bluetooth Wireless Microphone, Ecm-W2BT(T) Wireless Transmitter Unit, Ecm-W2BT(R) Wireless Receiver Unit, Windscreen, Carrying Pouch, 3.5mm to 3.5mm Audio Cable, Micro Usb Cable, Connector Protect Holder, Manual / Operating Instructions, and a Limited 1-Year Warranty.