Product Feature: Stable transmission distance of 50-150 meters, low latency >5ms, convenient device access. Long-lasting battery life: built-in high-capacity battery, the use time is up to 4 hours. High-penetration sound, lossless reproduction of vocals. Plug and play, wired microphone to wireless microphone, get rid of wired troubles. Automatic channel search, traditional physical button operation to prevent accidental touch, more intuitive. 2.4G anti-interference technology, in complex environments, can also effectively resist interference and effectively reduce noise. TYPE-C cable charging, 0V, 48V voltage adjustment, compatible with dynamic microphone and condenser microphone, realize wireless singing. The device supports audio mixer, amplifier, speaker, sound card and other devices. One-button switch ON/OFF, 48V/0V switching, three groups reverberation effect selection, with red, green and blue color display. You can also choose to turn off the reverberation effect. Product Details: Transmitter parameters: Frequency range: 2302MHZ-2387MHZ RF power output: 10dB Frequency response: 50HZ-15KHZ Microphone pickup: dynamic type Power supply: 14500 battery Working current: 22-24mA Size: 114 / 35mm Receiver parameters: Frequency range: 2302MHZ-2387MHZ Working distance: 50-150 meters (depending on the environment) Working voltage: DC3.7V Working current: 17.5-20mA Size: 114 / 35mm Package Included: One to One 1 X Transmitter 1 X Receiver 1 X XLR to 6.35 plug 1 X 6.35 to XLR plug 1 X Charging cable 1 X User manual 1 X Colorful Box 1 X Storage Bag One to Two 2 X Transmitter 1 X Receiver 1 X XLR to 6.35 plug 2 X 6.35 to XLR plug 1 X Charging cable 1 X User manual 1 X Colorful Box 1 X Storage Bag Note: All product outward appearance, the size color take the material object as, the picture only supply the reference. We provide you with the best product and service. Please do not comment or open disputes when you encounter problems, please let us know, and we will solve the problem ASAP.