The Monster Adventurer Force Bluetooth speaker is Designed and Engineered by Noel Lee and the Monster Design Team in the USA with quality components that deliver best in class performance with zero distortion at any volume.
Portable Bluetooth Speakers: With a TPU handle, the portable Bluetooth speaker can be carried around anywhere, allowing music to be with you all the time. Rugged and durable design protect it from damage.

• Pure Monster Sound: Pure Monster Sound is Monster's unique technology from 40 years of sound engineering fine-tuned to deliver the most impactful music experience possible. It's like being in front of the artist, next to them in the studio or on stage.
• Incredible Stereo Sound: Get 40W Pure Monster Sound with two full-range drivers and two passive radiators. The unique position 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 the ideal outdoor speakers for adventure.
• IPX7 Waterproof: Fully waterproof design make the Bluetooth speaker being able to withstand full immersion for up to 3 feet for 30 minutes. Perfect for traveling, camping, boating, kayaking, or other outdoor adventure
• Portable Power Bank: Built-in 7.4v/4000mAh powerful lithium ion battery it can be used as a mobile power source to charge your devices, such as mobile phones, headphones, flashlights, etc.
• Multiple Audio Input Options: Monster Adventurer Force Bluetooth speaker supports Bluetooth, AUX input, Micro SD Card, USB input, Microphone input for Karaoke, etc. More options to customize your music.