Waterproof, Bass Boost, Built in Microphone, USB port and Shockproof. Portable Wireless Bluetooth Speaker. Light Weight and Easy to Use. High Quality Sound. 6 RGB Modes. Hands Free Calls. 25 Hour Playtime. Great for Outdoor Use including Hiking and Camping. Speaker is approximately 4.4x3.6x3.6 . High Capacity Electric Vehicle Grade Battery. Package has Only Been Open to Test That the Items Works.