Wireless transmitter and receiver set designed for electronic music instruments like guitar, bass, etc.2.4GH uncompressed wireless signal transmission, low noise and latency.Built-in rechargeable battery, long working hours, and comes with USB cable for convenient recharging.270 degree rotatable 1/4 inch plug, available for instruments with input in different positions.Supports 4 sets of devices working at same time, The maximum transmission range can reach 50 meters.Audio response range: 20Hz-20kHzFrequency: 2.400GHz-2.483GHzTransmission range: max.50m (-free); 30m (through walls)Transmission delay: less than 12.5msPower supply: Built-in 3.7V 600mah rechargeable lithium batteryCharging time: 2 hoursContinuous use time: 4-6 hoursCharging port: -USBsize:116 x 43 x 17mmMaterial:ABScolour:blackPackage Contents:1 x Transmitter1 x Receiver1 x USB Charging Cable1 x ManualOnly the above package content, other products are not included.Note: Light 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.