ALPOWL Wireless Microphones, Metal Dynamic Microphone System with Rechargeable Receiver, 50H Duration, 200ft Range, Microphone for Karaoke Singing, Wedding, DJ, Party, Speech, Church New, box open. Item packaging not open. Recommended Uses For Product - Singing Brand ALPOWL Connectivity Technology -Infrared, UHF, USB Connector Type - USB Special Feature -3.5mm jack, Recharge, USB, Wireless * 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! * 【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. * 【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. * 【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.