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 effects2. 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 positions3. Diverse Gameplay: This is wireless system with various gameplay and more possibilities. One transmitter can be used with multiple receivers4. 2.4GHz Guitar Wireless System: 2.4GHz guitar wireless system, with outstanding sound quality, wireless enjoyment, and stable music experience5. Wide Use: The resolution is more professional, and every performance detail is protected, widely used for home practice, recording studio and even stage performancesSpecification:Item Type: 2.4GHz Guitar Wireless SystemMaterial: MetalColour: BlackInput Impedance: 1MBattery 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-20kHzWorking Frequency Band: 2.4GHzTotal Harmonic Distortion: <0.2%.Package List:1 x Receiver1 x Transmitter1 x User Manual 1 x USB Cable