The audio speaker is characterized by a card-shaped design.  It is lightweight, compact and highly durable.  Enjoy your favorite music on the go with this card-shaped speaker.

• Material: acrylic, ABS.
• Rate power: 3W x 2.
• Frequency range: 90Hz to 20kHz.
• Input voltage: 5V, DC.
• Impedance: 4ohm.
• Frequency response: 50/60Hz.
• Power supply: 800mA lithium-ion battery (Nokia).