The PC-03C-Grey Portable Wireless Bluetooth Speaker by PEICHENG offers loud stereo sound with its outdoor waterproof design. It includes a rechargeable battery with a 3.0 hours charge time, compatible with smartphones, tablets, and laptops. The speaker features a dynamic driver, Bluetooth wireless communication technology, and a frequency response of 20.0 Hz. With a sleek design in gray color, this speaker is perfect for on-the-go or outdoor use, providing a maximum output power of 10.0 watts. NEW UNOPENED BX