Experience high-quality sound with the SIMI Black Portable Bluetooth Speakers. Perfect for on-the-go music lovers. EUC 6in high 3in across They work perfectly 👌 SIMI brand portable Bluetooth speaker. This speaker has a mode button, volume control, Play/Pause/TWS button. It also features RGB lighting effect button. TWS means True Wireless Stereo This speaker can connect to another speaker of the same model to create a true Stereo sound experience without using wires or cables. This allows you to pair two speakers 🔊 for a wider more immersive soundstage. Lots of colors to choose from The colors change to the beat of the song. Charging wire included Nylon small strap on side for easy carrying USB port TF port used for micro SD cards The sound is amazing with both speaker 🔊 they go very loud