1、The wireless transmitter supports 4 devices to work at the same time, one to one, low noise, no interference. 2、Equipped with LED channel indicator, the guitar wireless receiver has small and stable frequency distortion. 3、The wide response frequency is 20‑20KHz, which ensures that you will hear the full frequency of guitar and bass. 4、With a long effective range up to 30 metres, you will have a free and relaxing playing on the outdoor stage. 5、Wireless design adds more convenience to your performance, and the small size also makes the carrying easier. 1 x Receiver1 x Transmitter1 x Connecting Cable1 x User Manual Item Type: Guitar Wireless Transmitter ReceiverMaterial: MetalColour: BlackUltra-Low Latency: <5msEffective Range: Approx. 30metre / 98.4ftFrequency Response: 20-20KHz, +1dB/-3dBWorking Frequency Band: 2.4GHz ISM Frequency Band WorldwideTotal Harmonic Distortion: < 0.05% (1KH at -10dbFS)Battery Type: Lithium Battery (built-in battery shipped)Battery Capacity: 750mAh