WP-1 2.4G Wireless Guitar System Transmitter Receiver for Electric Guitar Features:  The wireless transmitter and receiver is designed for electronic instruments such as guitars, bass, and more. 2.4G wireless uncompressed signal transmission, low noise and delay, effective range of about 30 meters. Supports 6 sets of working equipment at a time, one-to-one, no interference; and the transmitter can also send signals to multiple receivers at the same time. Built-in rechargeable lithium battery, long working hours, and a convenient rechargeable USB cable. 280° can be rotated 1/4" for instruments with different position input connectors. Specification:  Condition: Item Type: Wireless Guitar System Color: As Pictures Show Uncompressed 24bit / 48KHz digital transmission Delay: <12 ms Range: about 30 meters THD + noise: -98dB Dynamic range: > 105dB Operating frequency band: Global ISM 2.4G Frequency response: 20-20 KHz, + 1dB / -3dB Power: Built-in rechargeable lithium battery Charging: USB port Size: Approx.13 * 3.8 * 1.2cm / 5.1 * 1.5 * 0.5in Weight: Approx.183g Package List:  1 * Wireless Transmitter 1 * Wireless Receiver 1 * Charging Cable 1 * Manual