Welcome to the store! Wireless transmitter and receiver set for electroacoustic musical instruments such as guitar, bass, etc. UHF 730MHz original sound transmission, anti-interference and ultra-short delay, giving you the best experience. Supports 4 sets of devices working simultaneously, one-to-one; and max. transmission range is up to 50 meters. Built-in rechargeable lithium battery, long working hours; and comes with USB cable for convenient charging. Plug and play, easy to use; compact size and lightweight, easy to carry. Color: black Material: ABS Audio response range: 20Hz-20kHz Frequency: UHF 730MHz Transmission range: Max.50M (No obstacle); 30M (through wall) Transmission delay: Less than 4ms Power supply: Built-in 3.7V 600mAh rechargeable lithium battery Charging port: Micro-USB Item size: 11 * 4.5 * 1.5cm / 4.3 * 1.8 * 0.6in Item weight: 35g / 1.2oz (for each) Note: The guitar and guitar amplifier shown in the picture are not included. Package contents: 1 * Transmitter 1 * Receiver 1 * User manual 1 * USB charging cable (Random color) Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture to be slightly different from the real one. The allowed measurement error is +/- 1-3 cm. Your satisfaction is our top priority. We will provide you with the best service. If you find any problems after receiving the product, such as damage, incorrect quantity, etc., please contact us immediately and we will provide you with the best solution!