Wireless transmitter and receiver set designed for electronic musical instruments such as guitar, bass, etc. 2.4GHz 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, compatible with instruments with input jacks in different positions. Supports up to 4 sets of devices operating simultaneously. Maximum transmission range up to 50 meters. Audio frequency response range: 20Hz–20kHz Operating frequency: 2.400GHz–2.483GHz Transmission range: up to 50m (line of sight), 30m (through walls) Transmission delay: less than 12.5ms Power supply: Built-in 3.7V 600mAh rechargeable lithium battery Charging time: 2 hours Continuous usage time: 4–6 hours Charging port: Micro-USB Dimensions: 116 x 43 x 17mm Material: ABS Color: Black Package Contents: 1 x Transmitter 1 x Receiver 1 x USB Charging Cable 1 x User Manual Only the above package content is included; other items are not included. Note: Lighting and display differences may cause slight color variation between the image and the actual item. Measurement error allowed is +/- 1–3cm.