Feature:1. Wireless transmitter \u0026 receiver set for electroacoustic musical instruments like electric guitar, bass, etc.2. UHF sound transmission, anti-interface and ultra-short delay, giving you the best music sound.3. Supports 4 sets of devices working at same time, one-to-one; and max. transmission range is up to 10 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.Specification:Features:Wireless transmitter & receiver set for electroacoustic musical instruments like electric guitar, bass, etc.UHF sound transmission, anti-interface and ultra-short delay, giving you the best music sound.Supports 4 sets of devices working at same time, one-to-one; and max. transmission range is up to 10 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:Audio Response Range: 20Hz-20kHzFrequency: UHFTransmission Range: Max.10M (No obstacle)Transmission Delay: Less Than 4msPower Supply: Built-in 3.7V 600mAh rechargeable lithium batteryCharge Port: Micro USBItem Size: 11 * 4.5 * 1.5cm / 4.3 * 1.8 * 0.6inItem Weight: 30g / 1.1oz (for each)Package Size: 21 * 11 * 3cm/ 8.3 * 4.3 * 1.2inPackage Weight: 135g/ 4.8ozNote:The guitar and guitar amplifier showed in the picture are not included.Package List:1 * Transmitter1 * Receiver1 * User Manual1 * USB Charging CablePackage List:1 * Transmitter1 * Receiver1 * User Manual1 * USB Charging Cable