Have fun wherever you are with our Leo speaker! This sleek and fun speaker is a great desk top and mobile audio companion for anyone from students to executives. It features a large imprint area (much bigger than traditional pad imprint) and a 1 side high- res full-color UV imprint from the industry's best decoration technology. Specifications:Material: ABS + Aluminum alloy. Unit weight: 240g/8.82oz. Power output: 3.7-4.2V 200mA. Power input: DC 4.8-5.5V. Built-in 400mAh Polymer battery, rechargeable. Working distance: 15-20m. Signal-to-noise ratio: greater than 75db. Frequency: 2.402 -2.480GHz. Wattage: 3W