Souldio&trade; Bluetooth Speaker Portable Wireless Speaker,20W Output,12 Hours Battery Life,Power Bank Speaker,Aluminum Shell,Works with iPhone, iPad, Samsung, Nexus, HTC, Laptops and More (Silver) Sleek and fashion look, full body aluminum alloy material design with silicone bottom protection. Double Driver Design: With unique double built-in 10W+10W driver, provides outstanding strong bass and loud sound, you can enjoy music at the best. 2 in 1 Function: Extra long built-in rechargeable 4400 mAH battery allows you playing music up to 12 hours also this Portabe Speaker is a 4400mAh Power Bank. Built in Microphone for Handfree Speakerphone, easy to answer a call when connect to your phone, support TF card and AUX in to play music. Package included: bluetooth speakers with power bank*1, Micro usb cable*1, 3.5mm audio cable*1, user manual*1