Features: High-quality wireless audio transmission system(transmitter + receiver) for guitar, bass and other instruments. 2.4GHz wireless transmission, 24bit/48KHz sample rate. 30 meters effective outdoor distance or 15 meters distance to through the wall. Support 3.5mm and 6.35mm plug, 190 rotating device, it is available for most of the electric instruments. Up to 4 groups of equipment can be used simultaneously in the same environment. Built-in rechargeable lithium battery, working time is up to 4 hours, and with a Type-C cable for convenient recharging, which ensures good performance for your every show. Specifications: Material: ABS Delay: 105dB Frequency Response: 20-20KHz, +1dB/-3dB Wireless Band: 2.4GHz Sample Rate: 24bit/48KHz Battery Capacity: Transmitter: 600mAh, receiver 300mAh Item Size: 123 * 31 * 13mm / 4.84 * 1.22 * 0.51in Item Weight: 69g / 2.43oz Package Weight: 116g / 4.09oz Package Size: 8.6 * 8.4 * 3.2cm / 3.39 * 3.31 * 1.26in Package List: 1 * Transmitter 1 * Receiver 1 * Type-C Cable 1 * Manual(English)