The Gelang S23 model is good. According to public information related to the investigation, this model is the latest square dance speaker. It is a portable outdoor audio mini speaker with a wireless remote control Bluetooth speaker that can be inserted into a USB flash drive and TF card. It has improved the shortcomings of the previous model and is Gelang's best-selling and popular model. Gelang is an audio-visual appliance brand registered on the China Trademark Network in March 2019. Its products and services include computer peripherals and speakers.