Elegant wireless speaker with 4000 mAh power bank is a great gift for gadget lovers. It is made of metal which makes it durable and an engraved logo will look good on it. The speaker can be used as a hands-free set. Music can be played via Bluetooth (Version 4.2), audio cable with 3.5mm jack (not included) or micro SD card. In addition, it offers IPX4 waterproof class, i.e. total protection against sprinkling and splashing with water from various directions with intensity up to 10 litres per minute. It is ideal for tourists and in every day use e.g. under light rain. The product complies with relevant European Union Directives, has a CE marking and a 1-year guarantee. Micro USB charging cable and carabiner included. Technical specifications: - input: 5V/1A, - output: 5V/2A, - lithium-polymer battery, output power: 5W x 1, 3D stereo effect and bass boost, Voltage: 5V S/N ratio: ≥ 80 dB, working time: 10-15 hours