Description: 【Material】: Made of sturdy metal material, this transmitter and receiver kits ensures long term performance and reliability. 【Product Size】: With a product size of 105mm, it is compact and portable, making it easy to carry around for various audio needs. 【Easy to Use】: This device is designed for easy setup and use, simply connect your wired microphone using the provided adapters and enjoy seamless wireless transmission. 【Clear Transmission】: Advanced technology ensures low noise and latency, providing you with clear, lossless high sound quality. The effective transmission range is approximately 80m. 【Wide Application】: Ideal for electronic musical instruments such as guitars, basses, guitar effect pedals, violins, keyboards, speakers etc. Specification: Material: Metal Size Chart: 10.5cm/4.13inch Package Includes: Package A: 1 Piece Receiver, 1 Piece Transmitter, 2 Pieces Conversion Head, 1 Piece Charging Cable Package B: 1 Piece Receiver, 2 PieceS Transmitter, 2 Pieces Conversion Head, 1 Piece Charging Cable Note: Please allow slightly errors 1-2cm differences due to manual measurement.