Characteristics and Interoperability Three loudspeaker enclosures in total Brand Name: AUX, USB Support for Kisonli/OEM Communication Yes, memory card Yes, remote control Model Number TM-1000U Unique Features: PORTABLE, Mini, Wireless 2.1 USB speaker is the product name. Features: Bluetooth, USB, TF card, LED light Battery: USB DC5V 5 W + 3 W * 2 Power Fashion Trend Portable G.W 2.1KG Product