Features: Ultra-Long Battery Life for Uninterrupted Performance: Equipped with a built-in 3.7V 600mah rechargeable lithium battery, it supports up to 4 hours of continuous use on a single charge. The red light stays on during charging, providing clear status indication, ensuring you can enjoy your musical journey at any time. Convenient USB Charging, Anytime, Anywhere: Comes with a USB data cable, allowing easy charging wherever you are, at home or on the go. Never worry about running out of power again, keeping your music going without limitations. High-Frequency Transmission for Crystal-Clear Sound: Utilizing a super high frequency of 730mhz, it produces pristine sound quality with a transmission range of up to 30 meters. With a transmission delay of less than 4ms, it ensures perfect synchronization, so you never miss a beat. Flexible Adjustment and Versatile Compatibility: Designed with a flexible range of 280°, it can be adjusted to suit your playing style without compromising rhythm or performance. Additionally, it is compatible with a wide range of electric musical instruments, including electric guitars, basses, drums, and violins, helping you connect with your audience and elevate your music to the next level. Specifications: Model: C01 Material: ABS Color: Black Size: 110x43x17mm /4.33x1.69x0.67inch Frequency range: UHF Frequency broadband: 20Hz-20kHz Transmission delay: Less than 4ms Battery capacity: 3.7V 600mah Charging interface: Micro USB Charging time: 2 hours Duration: 4 hours Transmission distance: 30m anti-interference Package Included: 1 x Transmitter 1 x Receiver 1 x USB charging cable Ultra-Long Battery Life for Uninterrupted Performance: Equipped with a built-in 3.7V 600mah rechargeable lithium battery, it supports up to 4 hours of continuous use on a single charge. The red light stays on during charging, providing clear status indication, ensuring you can enjoy your musical journey at any time. Convenient USB Charging, Anytime, Anywhere: Comes with a USB data cable, allowing easy charging wherever you are, at home or on the go. Never worry about running out of power again, keeping your music going without limitations. High-Frequency Transmission for Crystal-Clear Sound: Utilizing a super high frequency of 730mhz, it produces pristine sound quality with a transmission range of up to 30 meters. With a transmission delay of less than 4ms, it ensures perfect synchronization, so you never miss a beat.