UHF Guitar Wireless System Transmitter Receiver

UHF 730MHz original sound transmission, anti-interface and ultra-short delay, giving you the best music sound.  Plug and play, simple to use; compact size and lightweight, easy to carry. Features: 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 Charge Port: Micro-USB Supports 4 sets of devices working at same time, 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. Item Size: 11 x 4.5 x 1.5cm / 4.3 x 1.8 x 0.6 inch