iFutniew Wireless Guitar System 2.4G Rechargeable Lithium Battery Transmitter Receiver for Electric Guitar Bass Black

5 hours high-energy battery life, built-in rechargeable 650mAh polymer lithium battery. Transmission distance of 30 meters/1181inches indoors, 15 meters/590.55inches for transmission through partitions. One-key switching of 4 channels, no need to pair, support 4 groups of devices to use at the same , different devices can choose different channels. brand new and high quality,2.4GHz high-quality lossless digital transmission, 48K/24bit performance sound quality, full digital, high-frequency anti-interference, for broadband, lossless transmission. 6.35mm standard audio for head, 282° rotatable, suitable for almost all musical instruments, and can be folded close to the musical instrument when in use.