Sweat note:Dear, here are 4 very popular portable speakers, please choose the model you need to buy, under the color description is attached with the product picture, so that you will not be confused 1.Color:Black-Bluetooth 4.0 Feature: 1. Multiple playback modes, support Bluetooth, U disk, memory card, AUX, FM mode. 2. 10W high power, four-unit treble and bass sound system, double speakers and double diaphragms, 360° stereo sound effect. 3. Anti-magnetic technology, 360° all-round anti-magnetic, no longer worry about noise interference caused by mobile phones and computers. .