NUX B-1 LITE 2.4G Guitar Wireless System Transmitter & Receiver 4 Channels 18M Effective Range Built-in Rechargeable Battery for Electric Acoustic Guitar Bass Digital Wind Instrument Features: 2.4G Guitar Wireless System: 2.4G uncompressed wireless signal transmission, 24bit/44.1kHz Hi-Res sound quality, less than 5ms super low latency, supports 4 channels and effective transmission range is about 18M in open air. Flexible Rotatable Plugs: The 6.35mm plug can rotate 220 degrees and stay at any angle you want, which makes it fit different type guitar/bass, and never affects musicians' performance. Enjoy Performance and No Power Off: Built-in rechargeable battery with long working hours, you will never worry about the power issue when you are on stage with it. Come with a USB cable that can charge transmitter and receiver at the same time. Special Locking Design: Has a unique and humanized design that the transmitter and receiver could be locked together, which makes them not easy to be lost and convenient to be push out e. Great Helper for Guitarist: Compact size, simple and modern design, and considering of the guitar players' habit, the battery & channel indicators and power switch are designed on the left side of body. Specifications: Color: Black Sample Range: 24bit/ 48KHz Latency: < 5ms Range: about 18 meters in open air Operating Band: 2.4G ISM Worldwide Frequency Response: 20-20KHz Channels: 4 Power Supply: Built-in 3.7V 500mAh Rechargeable Battery Charging: USB port Item Size: 4 * 7.3 * 3.5cm/ 1.6 * 2.9 * 1.4in(folded) Item Weight: 36g/ 1.3oz(for each) Package Size: 12 * 6.5 * 5cm/ 4.7 * 2.6 * 2in Package Weight: 140g/ 4.9oz Note: The guitar and guitar amplifier showed in the picture are not included. Package List: 1 * Transmitter 1 * Receiver 1 * USB Charging Cable 1 * User Manual(English & Chinese)