Rechargeable wireless microphone live sound card with smart LED display for unlimited distance Advanced microprocessor intelligent noise reduction adopts high quality microprocessor to protect your voice Frosted touch feel comfortable grip advanced touch, anti hand , easy to control UHF wireless transmission. One-time automatic frequency matching, anti-interference, strong signal penetration, one-step connection to start singing immediately High environmental protection material, comfortable grip, one-hand control. Frequency response range: 100HZ-20KHZ Signal-to-noise ratio: 60dB Microphone Type: Dynamic Plug Type:US Plug,it applies to Canada, India,Mexico, Thailand, the , the Philippines,Taiwan and so on. Material: ABS colour: black Voltage: AC100-240V Package Contents: 4 x Microphone 1 x Host 1 supply 1 x Audio cable Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm. Note: 1. Please allow 1-3 mm error due to manual measurement and 1-3g weight error make sure you don't mind before ordering. 2. Due to the lighting of the photos and the difference of monitors, the pictures may not reflect the actual color of the real item. Please make sure you don't mind before ordering, thank you! About Shipping: 1.please pay attention to your delivery address such as: name, street, house number, doorbell/email without name, etc. is correct, or the order will not be delivered correctly. 2.All items will be shipped within 3 business days after the payment is received. Most times you will receive them within 8-12 days then. The specific delivery time is depend on circumstances. 3.During the shopping process, if you have any questions, please feel free to consult us, we will reply you within 24 hours Hope you have a pleasant shopping experience!