Bring the party with your own personalized Bluetooth speaker! This small and compact speaker is the perfect mobile companion and is useful in a wide variety of situations. Also, the internal speaker provides the highest quality sound available. With the large logo area top imprint area, you can get very creative with your full design. Custom housing color is available for 1000 qty. Specification Material ABS Unit weight 85g3.0oz Power output DC 5V Power input DC 3.7-4.2V Built-in 300mAh Polymer battery, rechargeable Working distance15-20m Signal-to-noise ratio 68db Frequency 2.402-2.480GHz Wattage 3W Package Qty 64pcscarton Weight6KGcarton,13lbs carton Packaging size 313028cm 12.2x11.8x11.0