The Galaxy S8 already boasts wireless charging, but the iPhone 7 doesn’t. It’s a nice addition for anyone looking for extra battery juice while ditching wires.

Mophie put a lot of focus on the design of the new charge force battery cases. The back is adorned by full-grain leather, giving it a premium touch while the frame is a soft-touch rubber meant to withstand heavy wear and tear. Each case will be charged through the specific port of the device it’s meant for—Lightning for iPhone and USB-C for Galaxy S8. The ports will also double as connector for Lighting or USB-C wired headphones.

But the main allure of the cases is its wireless charging technology. Through magnets, the cases aligns with the base to wireless charge the smartphone first. The charge force cases are also compatible with Qi and other wireless charging systems.

The iPhone 7 version will be available in four colors: black, tan, brown, blue and (Product)RED. The Galaxy S8 version will only be available in the black color option.

Mophie also unveiled a brand new charge force powerstation mini 3,000mAh battery, which is capable of wireless charging the charge force cases for the iPhone 7 and Galaxy S8.

The charge force battery cases for the iPhone 7 and Galaxy S8 are currently available through Mophie’s website. The iPhone 7 and 7 Plus versions costs $59.95 and the Galaxy S8 and S8 Plus versions cost $49.95. The charge force powerstation mini costs $49.95.