Shop name:Chong Qing Shuo Yue Ke Ji You Xian Gong Si and high quality Wireless transmitter and receiver set designed for electronic music instruments like guitar, bass, etc. Built-in rechargeable battery, long working hours, and comes with USB cable for convenient recharging. Wireless Guitar System has compact size and .Wireless Guitar Transmitter Receiver is easy to carry.This wireless guitar system supports one-to-one mode or one transmitter to several receiver mode. Digital Guitar Wireless Transmitter is available for most electric guitars, bass, electric-acoustic guitars,Electronic organ. even suitable for guitars with vibrato system. 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. Charge Port:-USB. Charging time:2 hours Colour:Black Material:ABS Size:11x4.5x1.5cm/4.3x1.8x0.6inch Package Contents: 1 * Guitar System Transmitter 1 * Guitar System Receiver Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.