Charge on the go: extra battery when you need it – the built-in battery has enough juice to get you through a long day. Lightning Port Access: Full Access to the Lightning Port: With Full Access to the Lightning Port, You Can Always Use Your EarPods to Listen or Talk While You Charge. Wireless easy power: The juice pack access battery case is compatible with most wireless chargers. Convenient: wireless and USB-C Input: You can recharge the juice pack access battery case wirelessly or through the USB-C port. Protection: high-impact protection. A tough polycarbonate exterior dissipates impact, helping to protect your iPhone from bumps and drops.