It’s an amazing option for on-the-go charging of your watch and phone ,compatible with watch series, as well as phone series. Built in cable and integrated magnetic charger module , makes you power apple watch and iphone simultaneously for added convenience and far less hassle. Charge itself while simultaneously powering anything that’s plugged into it. Thus it allows you to charge the unit & have your devices charging at the same time . The portable charger power bank is built with over-temperature, over-current, over-voltage, short-circuit protection, offers you safe charging protection. Made from abs material, measuring 3.1*1.9*1 inches, this custom portable watch charger 9000mah. Usage Scenarios: Office supplies, school stationery, corporate promotions, trade show giveaways. Tailored branding: Supports logo imprint and design personalization. Product Highlights: Compact size, lightweight, easy to carry.