1.Introduction:
  It is a 3.0V RDA5807 87MHz-108MHz FM Radio Receiver DIY Kit. It is a simple FM receiver and can be used all over the world with power by AA*2 battery. It is very suitable for users to learn electronic circuits, practice and proficient soldering skills, and enhance electronic professional knowledge and interest.

2.Feature:
1>.Universal frequency 87MHz-108MHz
2>.Perfect simple circuit
3>.Stable fixing bracket
4>.Support battery charging function

3.Parameter:
1>.Product Name:RDA5807 FM Radio Receiver DIY Kit
2>.Work Voltage: DC 3.0V
3>.Power Type:AA*2 Battery(Not Included!)
4>.Channel: Dual channel
5>.FM Frequency:87MHz-108MHz
6>.Frequency accuracy:0.1MHz
7>.Equivalent noise:>=30dB
8>.Work Temperature:-25℃~85℃
9>.Work Humidity:5%~95%RH
10>.Size(Installed):123x95x56mm

4.Function:
1>.Buttons VOL- and VOL+ are used to adjust volume.
2>.Buttons FM- and FM+ are used to switch FM stations.
3>.The toggle switch on the side is the power switch.