Simple battery status indicator, so you always know whether your power bank is full or empty. The Anker 633 Wireless Fast Charger Power Bank 10,000mAh in black is magnetic, allowing it to stay attached to your smartphone while charging it wirelessly. With the Anker 633 Wireless Fast Charger Power Bank 10,000mAh in black, you always have a fully charged phone, even if you forget a cable. Thanks to wireless charging technology, you can charge your compatible devices anytime. The Anker 633 Wireless Fast Charger Power Bank 10,000mAh in black offers double the charging pleasure with its two USB ports. For example, at a festival, you can help not only yourself but also a friend. The Anker 633 Wireless Quick Charger Power Bank 10,000mAh in black has plenty of energy on hand, allowing you to easily recharge your smartphone multiple times. Plus, it’s not too heavy.