SimplyVibe V3-5BPS Mini Ultra Portable Speaker with Rechargeable Battery Plays MP3s from Micro SD Cards with FM Radio (works w/ iPod, iPad, iPhone, Android Devices)

The SimplyVibe V3-5BPS is an incredibly high quality portable speaker that can deliver low frequency resonating sound at even reduced volumes in real time. This is a patented technology that can only be achieve through it's unique metal casing and acoustic components and design.

Patented Technology: Suspension Type Low Frequency Resonant System - Special acoustic design structure that lets air compress and expand to release energy.

Technology Specifications:
Color: Silver 
MP3 Support: Accepts Micro SD cards and plays MP3s

 Built-in Lithium Battery: 3.7V

Lithium Battery Capacity: 400mAh
Recharging Voltage: 5V
Speaker Specs: 40mm 2.5ohm 3W
Weight: 0.5 lbs
Frequency Response: 60Hz - 18KHz
SNR (Signal to Noise Ratio): > 95dB
Distortion degree: <0.5% Size: 2.4 x 2.4 x 2 inches