The Alta Vista RAVPower is the perfect daily power device for your customers who are looking for upscale promo giveaway or gift at an affordable price. The power bank has an ultra compact design with 3350mAh battery that will give your iPhone X a full charge. Add your company logo for a professional marketing campaign! - Small But Powerful! - Thoughtful And Ergonomic Design - Exclusive iSmart Technology - 1A output and 1A input, charge your device faster and smarter than others, automatically detects and delivers the optimal charging current for any connected device- ensuring the fastest and most efficient charge. - Safety Protection -Specification: Cell : 3350*1pc Capacity: 3350mAh/12.