Mini Clip on Hand free Wireless Mic Microphone Kit FM Transmitter Receiver Description: With transmitter and receiver, this wireless mini Clip-on Microphone can free your hands. And it is easy to carry anywhere due to its mini size. It is great convenient for  teaching, meetings, presentations. Features: Enjoy the freedom of wireless speaking anywhere with the wireless microphone. Lightweight, mini size, easy to carry. Clip-on lapel microphone free your hands. With FM transmitter and receiver. Perfect wireless microphone for teaching, meetings, presentations, running a show or any where you need a hands free microphone. Specifications: Modulation: FM Effective Distance: 20m / 65ft Output Impedance: 600 ohms Transmitter Frequency Response: 80 ~ 12500Hz Receiver Frequency Response: Red dot 115.5 Operating Voltage: 9V transmitter, 1.5V receiver Received Power: 1 x AAA1.5 battery (NOT included) Transmitter Power: 1 x 6F22 9 V battery (NOT included) Receiver: 6.3 mm plug Receiver Weight: 33.4g Mic Weight: 15.5g Transmitter Weight: 54.6g Transmitter Size: 100 x 63 x 21mm / 3.94 x 2.48 x 0.83inch Instructions: 1. Open the bottom cover of the transmitter, insert the battery, and then close the bottom cover. 2. Insert the microphone cable into the transmitter hole. 3. Open the bottom cover of the receiver, insert the battery, and then close the bottom cover. 4. Turn on all light switches of the receiver and operate after the indicator on. Note: 1. If the transmitting sound is inconsistent, please firstly consider replacement of the battery. And then if it does not work, please send it to repair. 2. If you do not use this product for a long time, please remove the battery. 3. If the microphone is too close to the receiver, it will produce considerable noise, and then damage the product, so please try to grasp the distance.4. Please note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering. 5.Please note that the indicator color of this product will be sent randomly, please make sure you don't mind before ordering. Package List: 1 x Wireless Microphone 1 x Receiver (NOT include battery) 1 x Transmitter (NOT include battery) 1 x English Manual