Solar powered wild oxygen pump: lithium battery powered 138 hours of ultra-long battery life, escort oxygen supply for fish and shrimp. Powerful air volume: 370 oxygen pump, wild fishing 370 oxygen pump has low running noise and large air volume. High-efficiency solar panel: high light energy conversion rate, can power the internal lithium battery under the sun, endurance and with indicator light prompt, red light when charging, blue light when full. TPYE-C interface charging: the product has a TPYE-C interface, and the internal lithium battery can be by connecting the TPYE-C charging cable. Good partner for outdoor fishing: built-in lithium battery power supply, full charge can be used continuously for 38-138 hours, longer battery life under strong sunlight, and comes with a back clip design, worry-free oxygen supply anytime and anywhere. Air volume adjustment: five-speed adjustment Charging port: TPYE-C Air pump power: 0.1W Solar panel voltage: 6V Lithium battery voltage: 3.7V Air pump model: 370 pump Solar panel current: 0.125A Colour:White Material:ABS Package Contents: 1 x Fishing oxygen pump Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.