Bluetooth Speaker Backpack with 20-Watt Speakers & Subwoofer

Removable Speakers: Weighs less than 3 lbs and has a removable 20-watt speaker with a compelling design in a water-resistant backpack. Rechargeable Battery: The built-in power bank can charge your iPhone, Android, or tablet while on the go and can last up to 8 hours.  Great Gift for Family and Friends -Bring It Everywhere -Lightweight -Water-Resistant