More from Amazon.com : http://www.amazon.com/gp/product/B00IYIDIWW?tag=thefatkidin06-20 <br /> <br />RockPower Wireless Bluetooth Speaker Backup Battery 6000mAh External Power Bank Portable battery <br /> <br />Portable wireless speaker for mobile phone laptop tablet etc <br />Built-in microphone for hands-free calls <br />6000mAh High-capacity rechargeable battery gives long use between charges Can used as Power Bank Backup Battery Portable Battery <br />33 feet working distance very convenient <br />Audio cable included to connect non-bluetooth device