Specification: _x005f_x000D_ Power: DC 5V _x005f_x000D_ Output: 2 x 3W _x005f_x000D_ Size: approx. 29.5 X 20.2 X 15 mm/1.16 X 0.8 X 0.59 in _x005f_x000D_ _x005f_x000D_ Note: _x005f_x000D_ Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Thank you! _x005f_x000D_ Please allow 1-2cm measuring deviation due to manual measurement. _x005f_x000D_ _x005f_x000D_ Included: _x005f_x000D_ 1 X Amplifier Module Board 1. Portable: Mini size design of audio amplifier module board, lightweight and portable. Size: approx. 29.5 X 20.2 X 15 mm/1.16 X 0.8 X 0.59 in. 2. Digital: Mini sound amplifier module works with HD digital audio signal output. 3. Unique Design: The audio amplifier module board With 470uf 1.6mm glass fiber power wave filter board. 4. Durable: Amp module can up to 15 years long service life with switch. 5. 2 Channels: Digital power amp module is 3W+3W audio output.