24GHz Wireless Guitar System Rechargeable Digital Guitar A9 Transmitter and Receiver for Electric Guitar Bass Violin Wireless transmitter and receiver set designed for electronic music instruments like guitar, bass, etc._x000D_ 2.4GH uncompressed wireless signal transmission, low noise and latency._x000D_ Built-in rechargeable battery, long working hours, and comes with USB cable for convenient recharging._x000D_ 270 degree rotatable 1/4 inch plug, available for instruments with input jack in different positions._x000D_ Supports 4 sets of devices working at same time, The maximum transmission range can reach 50 meters._x000D_ _x000D_ Audio response range: 20Hz-20kHz_x000D_ Frequency: 2.400GHz-2.483GHz_x000D_ Transmission range: max.50m (barrier-free); 30m (through walls)_x000D_ Transmission delay: less than 12.5ms_x000D_ Power supply: Built-in 3.7V 600mah rechargeable lithium battery_x000D_ Charging time: 2 hours_x000D_ Continuous use time: 4-6 hours_x000D_ Charging port: micro-USB_x000D_ size:116 x 43 x 17mm_x000D_ Material:ABS_x000D_ colour:black_x000D_ _x000D_ Package Contents:_x000D_ 1 x Transmitter_x000D_ 1 x Receiver_x000D_ 1 x USB Charging Cable_x000D_ 1 x User Manual_x000D_ _x000D_ Only the above package content, other products are not included._x000D_ 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. _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_