Receiving Sensitivity: Less than-110dBm 20dB SINAD Operating Distance: 30-50m Delay Time: Less than 5ms Frequency Response Range: 20Hz-20kHz Distortion: Less than 0.05% Signal-to-Noise Ratio: 85dB Channels: 35 Battery Life: 3 hours (varies by environment) Battery Information: 3.7V/600mAh rechargeable lithium battery Compatible Instruments: Electric Guitar, Electric , Electric Drums, Electric Piano, Electric Wind Instrument, Electric Violin, Electric Acoustic Guitar, etc. Battery Life: 4.5 hours (varies by environment) Color: silver Material: ABS Package Contents: 1 x Wireless Guitar Transmitter 1 x Wireless Guitar Receiver 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.