... good to marcket 2.high-fidelity, high resolution DIGITAL stereo effect. 3.holder function. 1, high-fidelity, high ... resolution DIGITAL stereo effect. PLL lock-in technology 2. LCD screen displays ... MP3, MP4, PDA, PC, IPOD, DVD, etc, any player 8 with the IPOD and 3.5 audio plugs 9, ... 11, with remote control; you can control the IPOD IPHONE music and its frequency