... Outdoor Speakers, Portable Digital Speaker -Playtime:10-12Hrs -with FM radio,support U disk and TF card 2012 Presell !! Versatile Amplified Outdoor ... Speakers, Portable Digital Speaker-Playtime:10-12Hrs-with FM radio,support ... life time. High-power and Loud-Sound very suit outdoor activities, sales promotion,tour guide,teaching and family fun ...