I purchased this item new four years ago and used it four or five times before storing it away. There is no instruction manual, and the sponge for the pin microphone is missing. Also, the rubber on the back of the microphone is slightly sticky, but this does not affect its use. Please understand these points before purchasing. - Model: SYNC G2(A1) - Receiver: Receiver - Transmitter: Transmitter - Accessories: Microphone, Charging cable, Audio cable - Case: Dedicated case - Instruction manual: None - Box: None #PinMic #RecordingMic #BluetoothMicrophone #Transmitter #synco