Digital LED Power Indicator. PC+ABS High Grade Material. Scratch Resistant. Dual USB Port. Fast Speed Charging 2.1V. ROMOSS Sense4P PH50 10400mAh  Power Bank With LED Indicator Smart Charging Auto detects the voltage and current of your device and delivers the fastest possible charge speed. Accurately Know When to Charge Smart digital display technology, shows exactly remaining power in digital format. No need to guess how much power it left. Always Stay Safe Surge protection, short circuit prevention and more advanced safety features keep you and your devices safe. Freedom From The Wall Charger Fully charge an iPhone 7 3 times, an iPhone 6s 4 times, a Galaxy S7 2 times and a Nexus 5X 2 times. Save Your Time with Every Charge Dual output, equipped with Fit Charge and Fast Charge Technology deliver high-speed and safe charging for 2 devices simultaneously. Product Specifications: - Pure 10,400mAh. - Grade A Lithium Ion Cells. - Dual USB Port. - Input: DC5V 2.1V. - Output 1/2: DC5V 2.1/1.1V. - Size: 13.8 x 6.2 x 2.15cm. - Weight: 296gm. Package Contain : - 1 x Sense 4P White - 1 x Micro USB Cable (20cm) - 1 x User Manual