want to have a durable speaker for home? want to have a mini speaker for travel? Our product, the mini speaker, usb plug, made of safe materials, ensure its durability and practicability, works with most devices such as desktop computer, Laptop, tablet, and cellphone. Features -Color:Black -Material:ABS, copper and magnet -Size:7.00X7.00X6.50cm/2.75X2.75X2.55in -The way of connection: 3.5mm audio socket -Frequency Range: 40Hz-20kHz -Output Power: 5W -The signal -to -noise ratio: >=70db -Effective distance: 10 -Playing time: 8 hours - Good material: Made of safe and reusable ABS, copper and magnet material, ensure its durability and practicability. - Portable and Compact: Take your music with you wherever you go. - USB Connection: Enjoy stable audio transmission with our USB speakers. - Compatible with Multiple Devices: Use with laptops, desktops, and more. - Easy to use and clean: simple USB plug mini speaker is easy to use. The speaker shell is durable and smooth, easy to clean. Package list: 1 × pair of mini speakers