Features:
Powerful pump, with high efficiency stone, capable to add enough .
USB design, easy to work with , , laptop and more.
Pure core motor, for stable operation, heat dissipating, low noise running without disturb. 
Lightweight, small pump, with a buckle, convenient to store, carry or install.
USB pump, very suitable for home fish , aquariums, fishing, etc.

Specifications:
Material:
Type: Black Color + 2 Stones, White Color + 1 Stone (Optional)
Pump Size: 8.5*3*3cm / 3.34*1.18*1.18in
Cord Length: 80cm / 31.4in
Pump Weight: 73g / 2.57oz
Package Size: 13*9*7cm / *3.54*2.75in
Package Weight: 142g / 5.00oz

Note:
pump set only, others in pictures are not included.
Due to manual measurement, there may be deviation.
Due to or others, it may slightly differ from pictures.

Packing List:
1 * Pump
1 * Buckle
2 * Stone
2 * Tubing
2 * 2-Way Line Regulator Connector
E19213-2