Its portable design, built-in handle, and 4500 mAh rechargeable battery, allow you to bring it along wherever music takes you. Enjoy crisp, dynamic sound up to 10 hrs with adjustable volume controls. Listen to clear sound and feel the bass in any environment with 40W output. Color-changing LED lights sync to your favorite beats, instantly taking your listening experience to the next level. Enjoy tunes in up to Five Modes: Bluetooth, Micro SD Card, USB, AUX Line in and FM function. Easy to pair devices with V5.0 Bluetooth of up to 35 ft of transmission distance. Built-in MP3 Digital Decoder that plays MP3 files straight from a Micro SD Card or USB flash drive. Supports Micro SD Card and plays MP3 and WAV formats (FAT32). AUX-In Port: 3.5mm. Accessories: USB Charging Cable, 3.5 mm Audio Cable, Microphone, Remote Control, Quick Start Guide. Dimensions: 8.5 x 9.1 x 22.5 Inches Weight: 8 lbs.