You can install and operate the lavalier microphone easily because it is featured with collar clip and plug and play design. Lavalier microphone has high sensitivity and good anti-interference performance that helps prevent external interference and maintain stable signal transmission, achieving clear sound effect. It is constructed of ABS material. The length of this product is 6cm, the width is 1.3cm and the height is 1cm. It is suitable for mobile phone, computer, camera, live broadcast, karaok, recording, etc. Item Name: Microphone Material: ABS Style: A: J11 Type-C Interface, One Drag One and Charging Box, B: J13 Type-C Interface, One Drag Two and Charging Box (Optional) Input Voltage: 4.8-54V Microphone Battery: 80mAh (Included) Charging Box Battery: 500mAh (Included) Battery Life: 10 Hours Signal-to-noise Ratio: 64DB Transmission Delay: 18MS Frequency Response Range: 20-20000HZ Transmission Distance: Barrier-free 20 Meters Features: Automatic Connection, Noise Reduction, with Charging Box Size Details: 6cm x 1.3cm x 1cm/2.36" x 0.51" x 0.39"(Approx.) Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: Style A: 1 x Microphone 1 x Receiver 1 x Charging Box 1 x User Manual or Style B: 2 x Microphones 1 x Receiver 1 x Charging Box 1 x User Manual