【Upgraded Wireless Microphone】- Wireless microphone updates frequency which makes the connection range up to 200Ft (60m). It makes of high frequency technology that wireless microphone has more stable signal. Tamper-proof, 0 delay! It’s very suitable for family karaoke, churches, weddings, conferences, and small stage performances. | 【Easy Set Up】- There is no any software download needed, and the frequency has been sat up, its easy as just plug and play, no required pairing. The wireless microphone has superior signal stability and is compatible with karaoke machines, powered speaker, amplifier, mixer, audio interface.（Please wait a few minutes for the receiver and microphone to pair before first use.） | 【Long Lasting Entertainment】- wireless microphone comes with 1200mah batteries, it could work for 50h. Wireless microphones and receiver all adopt USB-C charging port that only need 3-4h to fully charge. No need to buy battery again and again. | 【DSP Noise Reduction】- Dual handheld cordless microphone was designed with DSP noise reduction technology, it could reduce the background noise to the most degree and clearly pick up the human voice. Equipped with a professional audio processor that automatically adjusts high and low frequencies to ensure sound quality while transmitting sound more efficiently. | 【 Professional after-sales service 】 - If you have any questions, please contact us as soon as possible. We will always provide you with the best customer service and replace faulty products within 365 days. Attention: When the product is not used for a long time, please use a cable to charge the machine or microphone for a longer period of time.