Wireless Audio Transmitter and Receiver: This transmitter and receiver set is designed for musical instruments, suitable for electronic wind instruments, guitars, pianos, drum sets, and basses. It includes a 6.5mm plug that rotates 220 degrees to fit most electric guitars, including those with tremolo bars. Clear Transmission: Advanced technology provides low noise and low latency for clear, high-quality sound. Compact and Portable: The small size (19 x 14 x 5 cm) and foldable plug make it easy to carry. Ideal for stage performances or practice in different locations. Quality Sound Performance: Frequency response range of 10Hz22kHz 1dB with less than 0.02% distortion, delivering reliable audio transmission up to 30 meters in the 2.4GHz ISM band. Wide Application: Suitable for electronic musical instruments including guitars, basses, effect pedals, violins, keyboards, and speakers. Specifications: Material: PP and metal Dimensions: 19 x 14 x 5 cm (7.48 x 5.51 x 1.97 inches) Package Includes: 1 Receiver 1 Transmitter 1 6.5mm Conversion Plug 1 Charging Cable Note: Slight measurement variations may occur due to manual measurement and display differences.