Wireless Karaoke Microphone System: UHF wireless microphone produces high quality clear sound without distortion. The professional dynamic microphone set comes with 3 built-in rechargeable and replaceable batteries.
1200mAh battery for extra long usage time: 3 rechargeable replaceable 18650 batteries, no need to buy batteries, 10 hours of work with a full charge within 3 hours. The microphone display shows the battery level and signal strength in real time. The microphone and receiver are professionally drop tested for high impact resistance, lighter weight and higher abrasion resistance.