USB Bluetooth Adapter for mini speaker 1,high quality,cheap price 2,support mini speaker,computer 3,usb flash drive design USB Bluetooth Adapter for mini speaker1,high ... quality,cheap price2,support mini speaker,computer3,usb flash drive design Main Function:Mini Bluetooth USBTechnology standard:Bluetooth v2.0+EDRWierless frequency:90Hz-20KHzSensitive ...