Clear Quality Signal Transmission - The 2.4GHz band is optimal for guitar wireless systems, providing low noise, low latency (less than 5ms), no interference, and over 20 meters transmission distance. High Compatibility - The plugs can be rotated 220 degrees, compatible with most electric guitars, basses, acoustic guitars, and other digital music instruments; the device is approved for worldwide use. Easy to Pair - Turn on the transmitter and receiver, press the pairing button on the receiver, then press the pairing button on the transmitter for more than 2 seconds to complete pairing. User-friendly - The double-sided USB cable allows simultaneous charging of both transmitter and receiver; easy to switch between 4 signal channels. Long Battery Life - Built-in battery provides over 8 hours of continuous use, ideal for extended wireless performance. Material: ABS + Metal Color: Black Package Contents: 1 x Transmitter 1 x Receiver 1 x USB Cable Note: Light and display differences may cause slight color variations between the image and the actual item. Measurement error allowed is +/- 1-3 cm.