... computerspeaker for homeSpeaker, Mini Speaker, Computer Speaker, multimedia speaker, Home Theater Speaker, Home Speaker, Subwoofer, MP3 Speaker, Multimedia Speaker, Speaker Box ... 5mm metal type,4)Power:USB cable(5V/1A)5)Frequency response:200HZ-20KHZ 6)Volume: With volume control ... USD1.42/pc Promotion pricePortable bag speaker. Power: DC 5 V li rechargeableBattery capacity: 500 mAh USB Speakerfor mp3 ...