... Super Loud and Bassy usb computer speaker card small stereo wireless speakersWireless Portable Mini Bluetooth Speaker Good Sound Quality 1, $19 ... , With 4G sd card.5, Best chooce for Gift 6, Wireless Portable Mini.7, Colors: 5 colors. hydroxyl (black), red, gold ... , gently connected to the PC, IPOD / iphone, MP3 / 4, mobile phones and other audio sources Technical parameters Voltage: 3.7V Capacity ...