Pure Monster Sound-Monster Adventurer Force Bluetooth speaker was Designed and Developed by Noel Lee and the Monster Design Team in the USA. From 40 years of sound engineering fine-tuned to deliver the most impactful music experience possible. Dynamics with substantial deep bass punch, clarity and details revealed, and without any distortion.

Incredible Stereo Sound-Get 40W Pure Monster Sound with two full-range drivers and and two passive radiators.The uniquely positioned of speaker drivers and passive radiators make the 360°surrounded sound.The louder volume makes the Monster Adventurer Force the perfect speaker for any indoor activities and ideal for outdoor speakers for adventure.

IPX7 Waterproof Speakers-With IPX7 certificated, Monster Adventurer Force portable Bluetooth speaker can withstand full immersion of up to 30 minutes over 3 feet. Built-in 7.4v/4000mAh lithium battery,it guarantees up to 40 hours of continuous playtime at 50% volume!

Bluetooth 5.0 Speaker-Monster Adventurer Force Wireless Speaker can pair with almost any bluetooth device. it remembers the last device used, allowing easy reconnection. It supports micro SD card/USB input/AUX input/microphone input, more audio options to customize your favorite tunes.This product doesn't include a microphone.