EC Technology Portable Charger 2400mAh Emergency Power Bank for iPhone, Galaxy, Note, Nexus, HTC, Bluetooth Speaker, Bluetooth Headphones and More Small Size, More Power: Ultra compact, portable and lightweight design. Fits in any bags and provide you convenience to charge your device on the go. Intelligent detection: Smart charging port detects your device to deliver its fastest possible charge speed up to 1 amp, 2 times faster than the computer USB ports. Especially designed for Bluetooth speaker, earphones, and power hungry Smartphones. Intelligent LED Lights: Four LED lights show you the power levels and charging status. Powerful Security systems: Equipped with over-charging, over-discharging, over-voltage, over-current and short-circuit protection. Safety guarantee for your devices. Package Contents:: 1 x EC Technology 2400mAh external battery, 1 x USB cable, 1 x Instruction Manual