Bluetooth Desktop Speakers for Laptop Computer PC Smartphone - 3'' Pair Black Artchros Audios point of view: Speaker is the most important of a Stereo system; so we are performing 2 sets Full range 15W divers from Taiwan to this HIFi Mini HD Sound. Outclassing other similar-sized speakers, it takes your music to places it's never been before. Compatible with all Bluetooth-enabled devices (2.1 and over), stream music from your smart phone or other device, it pairs easily with your Smartphone, iPad or other Bluetooth devices. And it remembers the most recent devices you've used, so reconnecting is even simpler. USB DAC model: converts digital audio output into high fidelity stereo analog sound (16 bit, 48 kHz). Its an inexpensive upgrade that will make greatly improve the sound of Laptop/PC output. It instead of your built in sound system, delivers big benefits to your digital music files. Connect any non-Bluetooth device via 3.5mm port. Just experience your tunes in high definition and surprising fullness realized through wide audio spectrum drivers.