The Naztech Mini Boom Speaker is the perfect portable speaker system for your mobile device. What makes this speaker so unique, is the SD Card slot which allows you to play all of your favorite downloaded music at anytime, anywhere. Enjoy Loud and Powerful music on the go!

Features:

• Micro SD Reader / Player
• Built-in Li-Ion battery
• High quality amplified sound
• Connect to any 3.5mm audio device 

Specifications:

• Speaker Output: 2W
• Music Formats: WMA / MP3
• Frequency Response: 80Hz - 18kHz
• Earphone Jack: 3.5mm
• Charge Time: 4 Hours
• Battery: Li-Ion 3.7V