Clear Audio Quality--The wireless guitar transmitter receiver system adopts advanced UHF technology, high frequency with less than 4ms latency, supporting 3 sets of devices working simultaneously (1 to 1), no lag or signal loss. Effective transmission range is up to 100 feet. Strong anti-interference ability delivers excellent audio quality and stable signal, maintaining the tone and feel of your instruments and playing. Plug and Play--Pull up to turn on the power and paired automatically. Press and hold the transmitter for 3 seconds to switch between 2 modes. Green light on the receiver indicates acoustic guitar mode, and blue light indicates electric guitar mode. Simple operation with no wires, providing more freedom. High Compatibility--Features a 1/4 inch audio jack, compatible with most electric guitars, violins, drums, basses, keyboards, Bakelite guitars, electric-acoustic guitars, and other digital music instruments with pickup. Compact and lightweight design fits various guitar and bass body types. Device is approved for worldwide use. Legible and Easy to Use--One unit labeled for the guitar (transmitter), one for the amp (receiver). Simply plug in and play. Unique design makes it easy to identify and operate. Ideal for beginner guitarists, professional players, and bassists. Built-in Durable Rechargeable Li-battery--Up to 4 hours of working time after 1.5 hours of charging. Includes a dual-ended Micro-USB cable for convenient simultaneous recharging, ensuring reliable performance for every performance. A must-have for guitarists. Color: Black Material: Plastic Package Contents: 1 x Guitar Transmitter 1 x Guitar Receiver 1 x USB Cable 1 x English Manual Only the above package content is included; other items are not part of the package. Note: Light reflection and different displays may cause slight color variations between the image and the actual item. Measurement error allowed is +/- 1-3 cm.