Specification This wonderful device allows you to fully charge and power your iPod Shuffle 2nd generation while on the move. It's very light and handy. This quality product is brand new. A great companion for your device. Perfect for gifts too! Specifications: Charges your iPod battery or provide backup power for your iPod while on the move. Lightweight , slim and compact size. Supplies a steady source of power to your device. Protective circuit to prevent overcharging (IC chip)! Supplies consistent power to your device for uninterrupted music. It helps ensures the safe transfer of data by removing the risk from an accidental battery outage. * Compact design makes it perfect for travel. * LED Indicator! * Charges from 0% to 45% in just a few minutes! * Charges from 0% to approximately 85% in about 45 minutes! * Will not overcharge a device! * Current limited, with reverse circuit protection! * Pocket sized, lightweight, durable! * Connects directly to the bottom of the device! * CE & UL Certified! Technical Specifications: Input: 4 x AAA Batteries - 6V Output: DC 5V/ 850MA