Portable Wireless Mini Speaker With Passive Subwoofer, Impactful, And Homea103 Product specifications Product Color: Silver RMS:3W Size:?48x38.5mm Weight:160g Driver size:40mm SNR:S/N?85DB Battery:500mAh Playing time: 6 Hours Frequency: 100HZ-18KHZ Bluetooth Frequency:2.4-2.8GHZ Heavy BASS: The shape of our Speaker is not big, but sound is loud and clear enough. The powerful driver and subwoofer can give you a perfect bass and loudness. Portable and easy to take:,The size is ?48 with H38 mm and the weight is under 7 ounces. There is a circle buckle and a carrying case for carrying. You can hang on your bag to carry when your hands are busy. Furthermore, it can protect the speaker. More hours of working time: The volume of lithium battery is 500mAh,so at least 4 hours working time is guaranteed and up to 6 hours at 50% volume. Charge for half hour of time with 1A and the working time will be up to 2 Hours. Adhesive base design: you can put it on any flat place to fix the speaker. When you want to enjoy the song by PC, you can put it on the table. Especially, you can stick to the Auto instrument panel to enjoy the music when drying. Suitable for many smart phones; you can make the connection with your phone to replace the speaker of your phone. Because our speaker can give you much better sounds. The phones include Iphone,Huawei,Samsung,OPPO,One Plus and others.