Product Description Specifications 2,500 mAh, ultra-slim external auxiliary battery with integrated 8GB removable USB flash drive and micro USB cable. Materials: Plastic Features: Large printing area, especially recommended for pad printing and digital printing. Presented in an attractive design box. The capacities shown in all our external auxiliary batteries are real, all of them incorporating non-recycled, grade Decoration Position: Top face Print Size: 7 x 4 cm