Monster Adventurer Force Bluetooth Speakers, Ipx7 Waterproof Bluetooth Speaker 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 80W Pure Monster Sound with two full-range drivers and and two passive radiators.The uniquely positioned of speaker drivers and passive radiators make the 360surrounded sound.The louder volume makes the Monster Adventurer Force the perfect speaker for any indoor activities and ideal for outdoor speakers for adventurer. 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. What You Get-MONSTER Adventurer Force Bluetooth Speaker*1 ,USB-C charging cable*1, AUX cable*1, Quick Start Guide*1. 12 month Worry-Free Service, and our lifetime customer service (1-8 hours). Any questions please feel free to contact us.