Ultra-compact design: with dimensions of only 3.7 × 2.5 × 0.59 inches, just like a credit card. Excellent magnetic attachment: magnetic force up to 10 Newton, stronger than the Original MagSafe. Thanks to a powerful 5000mAh battery, it provides up to 19 hours of extended video playback for iPhone 14 Pro Max. Equipped with Negative Temperature Coefficient (NTC) sensors that monitor temperatures up to 7,200 times per hour for safe charging. Charge while recharging: smoothly charge your iPhone while recharging the power bank, eliminating the need to wait for the power bank to fully charge before using it. It maintains a battery capacity of 90% even after 20 months of use, surpassing the industry standard of 60% battery capacity. Features a sleek design to add a personal touch to your phone, while the excellent magnetic attachment ensures a secure connection to iPhone 12, 13, 14, 15, and later versions. Compatible with MagSafe-compatible cases, allowing you to charge your iPhone without removing the case. Please note that it is not compatible with non-MagSafe-compatible