Features:5W+2.5W*2 louderspeakers giving lossless bass sound effect and 360° surrounding sound.BT 4.1 portable speaker, stable wireless transmission, working distance up to 10 meters.Support TF card, 3.5mm AUX IN, and U Disk music playing.Rechargeable 1800mA Lithium battery, supports 6-10 hours of working time.LCD digital display, support intelligent remote control.Perfect for desktop, laptop, TV, smartphone, tablet PC, MP3, MP4 and more.Specifications:BT Version: 4.1Transmission Distance: 10m (no obstacle)Loudspeaker: 5W+2.5W*2Speaker unit: 3 "+ 2"x2Battery Capacity: 1800mAhPlaying Time: 6-10 hours (depends on music volume)Charging Time: 2 hoursColor: BlackMain Item Size: 19*15.5*12cmMain Item Weight: 1193gPackage Size: 23*19 *15cmPackage Weight: 1352gPackage List:1 * Speaker1 * USB Charging Cable1 * Remote Control1 * AUX cable1 * User Manual (English)