1.stickly and vibration 2.magic 360 unimpeded 3.for MP3/MP4,laptop,computer,mobile 5.OEM welcome Power5W ... DC voltageDC5.0VFrequency 80Hz-18KHzImpendance6ohmPatent TechnologyVibrating technologyDistortion Factor≤0.5%Color Availability: Black/ Silver/ Pink/ Blue/ Red/ Green Different surface, ... is very small and is used to furnish audio frequency for PC,music mobile phnone,Mp3,Mp4,CD,palm players and ...