Feature: 1. Built in 4 Channels: This guitar wireless system has 4 built in channels, and 4 B1 LITEs can work at the same time to create personalized sound effects 2. Strong Compatibility: Not only compatible for ST, for LP type electric guitars, acoustic guitars, electric blowpipes, electric drums, but also with dozens of speakers, compatible with most speaker interface positions 3. Diverse Gameplay: This is wireless system with various gameplay and more possibilities. One transmitter can be used with multiple receivers 4. 2.4GHz Guitar Wireless System: 2.4GHz guitar wireless system, with outstanding sound quality, wireless enjoyment, and stable music experience 5. Wide Use: The resolution is more professional, and every performance detail is protected, widely used for home practice, recording studio and even stage performances Specification: Item Type: 2.4GHz Guitar Wireless System Material: Metal Colour: Black Input Impedance: 1MΩ Battery Capacity: Transmitter: 500mAh/3.7V Lithium Battery x 1 (Shipped with built in battery) Receiver: 500mAh/3.7V Lithium Battery x 1 (Shipped with built in battery) Frequency Response Range: 20Hz-20kHz Working Frequency Band: 2.4GHz Total Harmonic Distortion: <0.2%. Package List: 1 x Receiver1 x Transmitter1 x User Manual 1 x USB Cable