ZEALOT ShockWave S5 Bluetooth 4.0 Portable Long Play Time Wireless Speaker, Powerful Output with Enhanced Bass, Build in Microphone for Handfree Phone CallBlack 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.