Charge Wirelessly and Attach Magnetically: No more charging cables stuck between your hand and the iPhone while holding horizontally for games or video Super Compact Design: 3.7 x 2.5 x 0.59 inches in dimension, just like a credit card. Multi-scenario use case: Use as a Wireless Charger while charging Excellent Magnetic Attachment: Strong magnetic force up to 10N, stronger than Original MagSafe