double W3 Portable UHF Wireless Guitar Transmitter and Receiver Set 50M Transmission Range Audio Wireless System Built-in Rechargeable Lithium Battery for Bass Electric Guitar Violin The UHF band audio wireless system is designed specifically for the audio transmission of instruments. Features: UHF band audio wireless system, which is designed specifically for the audio transmission of instruments. High-fidelity wireless system provide performing musicians and presenters with dependable operation, easy setup and clear, natural sound quality. Operating in the UHF range, which improves the maximum sampling rate, and the anti-interference ability is raised. It offers extremely easy operation and instantaneous channel selection without any frequency coordination problems or group selection issues. 225° rotatable 1/4" plug, widely apply to all audio equipment with 6.35mm jack. Built-in li-polymer battery, enduring more than 4 hours use time. Equipped with a type-C cable to charge transmitter and receiver simultaneously. Less than 6ms latency, more than 100 feet transmission range. Specifications: Color: Black / Blue / Green / Gray / Pink (Optional) Material: ABS Sampling rate: 48KHz Frequency: 680MHz Frequency Response: 20Hz-20KHz Item Size(Folding): 80 * 39 * 30mm / 3.15 * 1.54 * 1.18in Item Weight: 72g / 2.53oz Package Weight: 211g / 7.46oz Package Size: 15 * 11 * 4cm / 5.91 * 4.33 * 1.57in Package List: 1 * Receiver 1 * Transmitter 1 * USB Cable 1 * Manual (English & Chinese)