Looking for a Bluetooth speaker that is powerful and sleek? Look no further than the Tronsmart Mega Portable Bluetooth Speakers with 40W Stero Sound Wireless Speaker. This speaker is perfect for supplementing the sound of your mobile device with a powerful40W speakers. The built-in rechargeable battery will last up to 3 hours, making it easy to play your music or audio files without ever having to worry about battery life. The speaker also includes a touch-sensitive remote to make it easy to control your music. Plus, the sleek design makes it a great choice for any device that wants to be sure it looks good while having great sound.