keychain is Eco-Product and have the chirping of cricket and frog.It is low cost and high performance.

1, the product description

The product is Eco-Product, tiny and powerful. It can convert solar energy into the voice of nature, so that the city people will be able to experience the natural environments in achieving the city people longing for the pastoral life.

Second, to achieve functional

1. Put the item on the terrace or indoors where sunlight to the solar panels facing the noon sun. (Need to rain)

2. Goods store electrical energy during the day, at night (no light) work automatically.

3. The length of the working hours of the evening sun during the day depending on intensity and exposure duration may be.

General situation: ordinary sunlight can provide eight hours of work 8 hours a night.

4. Working condition: random sound of crickets or frogs sound issue.

3, Specifications Parameter

1. External solar battery-powered, the internal lithium battery with a high-performance power-storage.

2. Internal low-power audio IC, quiescent current <10uA, Standby Current <350MA, operating current of around 40mA.

3. During the day in ordinary sunlight exposure (2mA charge) 8 hours, providing an evening around 8 hours of work.

4. By toggle switch, during the day can also be in working condition.

5. Automatically identify day and night to achieve a different charge at work during the day.