Engineered by Apple the Smart Battery Case is your on-the-go solution for powering and protecting your iPhone. It features a soft-to-the-touch silicone exterior and a tough microfiber-lined interior. And it's compatible with Lightning accessories so you don't have to remove your case every time you want to connect. Intelligent display. Check your charging status with a glance using a convenient battery status display on both the Lock Screen and Notification Center. Fast and easy. Charge your iPhone and Smart Battery Case simultaneously with a Qi-certified wireless charger.* Or enjoy fast charge speeds for both your case and device using a USB-PD (power delivery) compatible charger.† *Wireless chargers sold separately. †USB-PD compatible chargers sold separately.