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: 4.1 Transmission Distance: 10m (no obstacle) Loudspeaker: 5W+2.5W*2 Speaker unit: 3 "+ 2"x2 Battery Capacity: 1800mAh Playing Time: 6-10 hours (depends on music volume) Charging Time: 2 hours Color: Black Main Item Size: 19*15.5*12cm Main Item Weight: 1193g Package Size: 23*19 *15cm Package Weight: 1352g Package List: 1 * Speaker 1 * USB Charging Cable 1 * Remote Control 1 * AUX cable 1 * User Manual (English)