ZEALOT ShockWave S5 Bluetooth 4.0 Portable Wireless Speaker, Powerful Output with Enhanced Bass, Build in Microphone for Handfree Phone CallBlack+Red HIGH-QUALITY SOUND PERFORMANCE: High-quality 45mm inner magnetic speaker,ZEALOT Sound processing technology, Lead you to enjoy music musical feast. MULITIFUCTION: Bluetooth music play,Micro SD card(TF card) music,Pen driver music,Line in music,Handfree call,FM radio,Meet all your potential needs. LONG PLAY TIME: 2000mAh built-in lithium battery,After a full charge you can play up to 12 hours(Vary depending on the operating mode). UNIQUE APPEARANCE: Top of speakers with an engine blade shape design,Metal mesh body,A variety of different colors. COMPATIBILITY: Leading Bluetooth 4.0 technology, compatible with virtually all Bluetooth-enabled devices.