... long time outdoor play with high power.2. Support Line-in function,can be connect to laptop MP3,MP4,Iphone.3 ... . Support FM radio with stereo sound.4. Build-in 1450mAH high capacity rechargeable battery to support long time play ... ,high quality sounds; 6. Build-in large capacity memory, TF card is available.7. All- in -One interface,all the out-connection are with single ...