Cranking Dynamo Radio (SB 5002), china Cranking Dynamo Radio (SB 5002) manufacturer, Cranking Dynamo Radio (SB 5002) wholesale center

Working principle:

Cranking the handle by hand, changing speed by professional designed driving gear which can drive direct current dynamo to generate current. Then changing it into DC through commutating and voltagestabilizing which to charge its inside chargeable battery, so as to achieve energy converting and accumulating.



The inside FM radio circuit can search stations automatically: From low-end frequencies to high-end frequencies ( locked and stopped automatically when radio stations had been recieved ). Press the reset button to search again.



Function:

1. FM radio by cranking.

2. Cranking for power generating and accumulating efficiently.



Features:

1. Cranking for power generation, never need batteries, keep energy by built-in rechargeable battery; Green, environment friendly, economy, safety. (the common battery will leak easily). Reuse limitlesslessly.

2. The charge indicator will light when charging.

3. High sensitive FM (frequency modulation) reception, catch every wonderful electric wave anywhere at any time.

4. Choose and search the broadcasting station automatically, earphone (antenna also) output, the operation method is simple and convenient.

5. Cranking for power, light weight, Low noise and long life-span.

6. Low power consumption, long radio time.

7. Lovely appearance, exquisite sculpt.



Main Technical Parameters:

(1) The Main Technical Parameters about the Radio:

1. Sensitive degree of the FM (Frequency modulation) better than 20 uV

2. Receive scope of the FM (Frequency modulation) 88-108 MHz

3. The audio frequency output power Max. 15 mW

4. Radio work time after 1 minute cranking More than 20 Minute

5. Radio work time after being charged fully More than 6 hours

(2) Main parts lifespan

1. Switch life time More than 100000 times

2. The whole unit life time More than 5 years

3. Plastic part life time More than 5 years

(3) Size and weight:

1. Product size (handle locked) About 95*51*35mm

2. Product weight About 88g

(4) Others:

1. Specification of built-in battery 80mAh, 2.4V