1. Smart Battery (Optimized to lengthen your Phone performance time; No more out of power dilemma during important phone conversations)<br /><br />2. Full Body Coverage for iphone 6<br /><br />3. Light weight， thin design (Low profile)<br /><br />4. Non slip comfort grip<br /><br />5. USB charging and Sync without the need to disconnect your iPhone from the case<br /><br />6. Automatic tests function<br /><br />7. High-quality Li-polymer Cellphone battery<br /><br />8. Extended battery pack capacity - 3200 mAh<br /><br />9. ON/OFF Button for Optional Power Output Control<br /><br />10. Sleek， Low-Profile design; Rechargeable up to 1000 times<br /><br />11. Color: Black/Blue