A8-TX/RX Wireless Audio Transmitter Receiver System for Electric Guitar Bass Violin

Features
Wireless transmitters and receivers can be used for electroacoustic instruments such as guitars, bass, violins, and the like.
Ultra-high frequency 730mhz acoustic transmission, anti-interference, ultra-short delay.
Supports 4 groups of devices to use at the same time, the maximum transmission range is up to 50 meters.
Built-in rechargeable lithium battery, long working hours, with USB cable, easy to charge.
Plug and play, easy to use, small size, light weight, easy to carry.
Specification
Audio response range:20Hz-20kHz
Frequency:high frequency 730mhz
Transmission range:max.50m (accessible); 30m (through wall)
Transmission delay:less than 4ms
Power:Built-in 3.7V 600mah rechargeable lithium battery
Charging time:2 hours
Continuous use time:6 hours
Charging port:micro USB
Product size:11 * 4.5 * 1.5 cm / 4.3 * 1.8 * 0.6in
Packing size:17.5 * 10.5 * 5cm / 6.9 * 4.1 * 2in
Package Weight:250g/8.8oz