1、Wireless Receiver and Transmitter: The kit contains a wireless receiver and transmitter, with built in batteries, allows long term use 2、Simple to Use: The guitar receiver and transmitter are plug and play with standard plug, flexible and convenient to use 3、Full Frequency Response: The transmitter have full frequency response, the signal transmission is stable and clear 4、High Strength Shell: The shell is made of excellent ABS material, high strength, not easy to damage, sturdy and durable 5、Wide Compatibility: This wireless guitar system is suitable for most electric guitars, basses, electric acoustic guitars 1 x Guitar Transmitter 1 x Guitar Receiver1 x Data Cable 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)