Feature:1. Wireless Receiver and Transmitter: The kit contains a wireless receiver and transmitter, with built in batteries, allows long term use2. Simple to Use: The guitar receiver and transmitter are plug and play with standard plug, flexible and convenient to use3. Full Frequency Response: The transmitter have full frequency response, the signal transmission is stable and clear4. High Strength Shell: The shell is made of excellent ABS material, high strength, not easy to damage, sturdy and durable5. Wide Compatibility: This wireless guitar system is suitable for most electric guitars, basses, electric acoustic guitarsSpecification:Item Type: Guitar Receiver Transmitter SetMaterial: ABS, electronic componentsColour: BlackFrequency Bandwidth: 20Hz-20KHzGreen: Channel 1Red: Channel 2Blue: Channel 3White: Channel 4Battery Required: Receiver: 1 x lithium battery Battery Model: 3.7V 600mah (built in)Transmitter: 1 x lithium battery Battery Model: 3.7V 600mah (built in).Package List:1 x Guitar Transmitter 1 xGuitar Receiver1 x Data Cable