1 portbale speaker support SD, MMC, mp3, laptop 2. factory good price 3. deep sound bass 4. rechargeable ... , iPad, iPhone, cell phones, MP3 players, portable CD players and laptop/desktop computers.2. Let you enjoy your favorite music in ... :≥68dBCharge power supply: 5VWorking Voltage: DC 3.7VBattery capacity: 1000mA Accessories:3.5 Standard stereo audio cable; User Manual; certificate; USB ...