Purchased in December 2023. Used about 5 times. After each use, it has been wiped down with alkaline electrolytic water, followed by several sprays of alcohol and wiping. Two are being offered for sale. MIC-D168 【Wireless Connection】Enjoy karaoke wirelessly by connecting to smartphones, etc., via Bluetooth. Pair and connect wirelessly via Bluetooth for comfortable use! You can move freely within 10 meters, making it even more fun. 【Long-lasting and Convenient Large-Capacity Battery】Built-in large-capacity lithium-ion battery allows for long use, so you can sing with the microphone anywhere. 【Selfie Function】Turn on your smartphone's Bluetooth and long-press the "zanting" button on the paired microphone to take a photo. Recommended versions: iOS 6.0 or later, Android 4.2.2 or later. Other versions are not supported. 【Recording to Smartphone】You can download a karaoke app on an external device and record your karaoke singing on the external device. *The microphone itself does not have a recording function. 【Product Specifications】Product Material: Metal + ABS + LED Dimensions: Approx. W7.6 x D7.6 x H23.8cm Frequency: 100Hz-10KHz Battery Capacity: 1200mAh Noise-canceling high-quality sound LED light, New Year's holidays, New Year, parties, year-end parties, Christmas