The GTS-1840 Bluetooth Speaker is a versatile 4-inch, 5W portable speaker that combines powerful sound with a range of features. It offers multiple playback options, including USB, TF card, FM radio, and TWS (True Wireless Stereo) pairing for a seamless audio experience. The vibrant RGB flash lights add a dynamic visual element, perfect for parties or any setting. With an 800mAh rechargeable battery, this speaker ensures hours of uninterrupted music playback. Compact yet powerful, the GTS-1840 is your ultimate portable audio solution for both indoor and outdoor entertainment.