Features:

• Support to the wireless audio data transmission with Bluetooth technology. It can be connected with smartphone / flat panel computer in a large transmission range.
• Built-in Mic for hands free calling
• USB 5V/ Lithium battery, much convenient and practical.
• Power supply / volume control, let the operation simple and convenient.

Specifications:

• RMS: 2WX2=4
• Driver: 1.5"x2
• Impedance: 4
• S/N Ratio: 60db
• Frequency Response: 60Hz-20kHz
• Input Impedance: 47K Ohm
• Dimension (W x H x D) mm: w150 x H56.0 x D56.0