HD Superior Sound: Dual full-range drivers with passive radiator deliver 16W stereo sound with crisp highs, accurate mids, and decent bass. Sensitive Touch Control: The touch button sensitivity allows you to play music effortlessly. Change tracks, and volume, and wake up Siri or Google assistants with a simple touch. Wireless Stereo Pairing: Pair 2 SoundBox Plus speakers via a single device for a better stereo-surround sound and double the volume. Extended Playtime: Built-in 3200mAh rechargeable battery, the DOSS SoundBox Plus speaker powers up to 20 hours of playtime at 50% volume. Recharge in 3-4 hours with the included USB-C cable. Portable and Versatile: With the compact and lightweight design, take DOSS SoundBox Plus to the living room, backyard, office, outside, or anywhere. Also, the speaker supports playing music via Bluetooth, a 3.5mm Line-In cable (not supplied), or a Micro SD card (not provided). DOSS SoundBox Plus Portable Wireless Bluetooth Speaker with HD Sound and Deep Bass, Wireless Stereo Paring, Built-in Mic, 20H Playtime, Portable Wireless Speaker for Phone, Tablet, TV and More-White