800MHz-900MHz audio wireless transmitter and receiver system can reach 50m barrier-free transmission distance, it can the of wired and make music more free. standard 6.35mm audio interface, gold plating process can continuous, stable and high fidelity transmission; plug and play, no pairing required. With ultra low delay, original sound quality transmission, strong anti-interference; supports 4 groups of devices to use at the same time without interfering with each other. 282-degree arbitrary rotation audio interface can be folded close to the instrument, making it adaptive to different kinds of instrument and flexible to use. Built-in 650mAh polymer lithium battery, with strong endurance to meet the needs of performance, easy to be recharged via type-C double head charging cable. Product Name: Wireless Guitar Transmitter and Receiver The wireless audio system can be used for electric guitar, bass, wind instrument, violin, piano, drum and more electric musical instruments Transmission Sound Quality: 48K/ 24bit Digital Transmission Transmission Frequency Band: UHF (800MHz-900MHz) Transmission Range: 50m barrier-free; 30m through the wall Transmission Delay:Less than 5ms Signal to Noise Ratio (SNR): -98dB Distortion Degree: Less than 0.02% Dynamic Range: 105dB Frequency Response: 20-20KHz, +1dB/-3dB Audio Head Rotation Angle: 282-degree Channel: 4 Built-in Battery: 650mAh Polymer Lithium Battery The product appearance and printed words from batch to batch, but not affect the use Colour:Red Material:ABS Package Contents: 1 x Transmitter 1 x Receiver 1 x USB Charging Cable Only the above package content, other products are not included. Note: Light reflection 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.