Feature:1. Wireless transmitter and receiver set for electroacoustic musical instruments like guitar, bass, etc.2. UHF 730MHz true quality sound transmission, anti-interface and ultra-short delay, giving you the perfect music sound.3. Supports 4 sets of devices working at same time, transmission range is up to 50 meters.4. Built-in rechargeable lithium battery, long working hours, and comes with USB cable for convenient charging.5. Plug and play, simple to use. Compact size and lightweight, easy to carry.6. Compatibility: Wireless transmitter and receiver set for electroacoustic musical instruments like guitar, bass, violin, etc.7. Rechargeable: Built-in rechargeable lithium battery, long working hours, and comes with USB cable for convenient charging.8. Supports Multi Devices: This transmitter and receiver set supports 4 sets of devices working at same time, transmission range is up to 50 meters.9. Easy to Use: Plug and play, simple to use. Compact size and lightweight, easy to carry.Specification:Wireless transmitter and receiver can be used for electroacoustic instruments such as guitar, bass, violin and so on.Features:Wireless transmitter and receiver set for electroacoustic musical instruments like guitar, bass, etc.UHF 730MHz true quality sound transmission, anti-interface and ultra-short delay, giving you the perfect music sound.Supports 4 sets of devices working at same time, 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, simple to use. Compact size and lightweight, easy to carry.Specifications:Color: black, white (optional)Audio response range: 20Hz-20kHzFrequency: UHF 730MHzTransmission range: max.50M (no obstacle), 30M (through-wall)Transmission delay: less than 4msBattery: 2 * 3.7V 600mAh rechargeable lithium batteryCharge port: micro USBItem size: 110 * 45 * 15mm / 4.3 * 1.8 * 0.6inItem weight: 35g / 1.2ouncePackage size: 150 * 85 * 50mm / 5.9 * 3.3 * 2.0inPackage weight: 110gPackage list:1 * Transmitter1 * Receiver1 * Charge CablePackage List:1 * Transmitter1 * Receiver1 * Charge Cable