Specially developed for wireless guitar wireless connection, with low noise, low latency, high sound quality sampling rate and long transmission distance. Built-in lithium battery, provide USB charging cable. Broadcast in the 760MHz frequency band to avoid high-power signal interference from TV stations, public broadcasting, cell phone towers, etc. 280 degree rotatable joint, suitable for most electro-acoustics Support 6 groups of devices to work at the same time Model: Guitar Wireless Audio Transmitter Delay: less than equal 12ms Sampling rate: 24bit/48KHz compressed data transmission Effective range: less than equal 30m outdoor transmission Distortion: Less than 0.03% 600mah lithium battery capacity, USB charging port, Noise: -87DB Working frequency band: 2.4G global Frequency response: 20-20KHz +1dB/-3dB Power supply: Built-in rechargeable lithium battery (600mAh), up to 4 hours of battery life Charging: USB interface Colour:black Material:plastic Package Contents: 1 x Transmitter 1 x Receiver 1 x USB Cable 1 x English manual Only the above package content, other products are not included. Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.