... Multimedia/portable speaker 2. With rechargable battery 3. With screen, support lyrics display 4. Output: 3W*1 Detailed Product Description1. USB ... Multimedia/portable speaker 2. With rechargable battery. 3. With screen, support lyrics display. 4. Output: 3W=(3W*1) This mini ... , have indicating light to show charging or full.- With screen, support lyrics display, calendar. Spec:- Output power: 3W X 1- ...