... fashion and portability! Vibration speaker is not just an audio box,but it is a new stylistic product of audio frequency ... furnish audio frequency for PC,music mobile phnone,Mp3,Mp4,CD,palm players and other portable fixtures. 1. Direction to usageWhen ... -18KHzRated Output: 2.5W Audio Source: PC,MP3,MP4,MD,CD,DVD player, Mobile phone,etc 3. Kind Reminder 1. In order ...