Features 1、Professional wireless audio equipment for electric guitar, bass, violin etc, suits for various music playing. 2、Plug and play for easy operation, small in size and light in weight for portability. 3、Rotatable plug, available for instruments with input jack in different positions. 4、Have a strong penetration. Specifications: UHF Wireless Audio Transmitter Receiver System USB Rechargeable Pick Up for Electric Guitar Bass Musical Instrument Accessory This is a rechargable UHF wireless audio digital pick-up, can receive kit for electric guitar, bass, violin etc. UHF, with adjustable frequency, fine choice for various music playing setting. Features: Professional wireless audio equipment for electric guitar, bass, violin etc, suits for various music playing. Plug and play for easy operation, small in size and light in weight for portability. Rotatable plug, available for instruments with input jack in different positions. Have a strong penetration. Specifications: Delay: two milliseconds Sampling Rate: 2.4bit / 48KHz Frequency Response: 20~20KHz Color: Black, White, Red, Blue, Silver (optional） Item size: 130(Length of retract of plug: 80) * 42 * 15mm / 5.1 * 1.7 * 0.6in Package size: 115 * 85 * 65mm / 4.5 * 3.3 * 2.6in Package weight: 180g / 6.3ounce Package list: 1 * Receiver 1 * Transmitter Package List 1 * Receiver 1 * Transmitter