Auto Adjustable FM Digital Radio DIY Kit With Power Amplifier Broadcast Receiving Kit

Parameters PCB board size 6 3cm 4 4cmShell size 11 9cm 8 8cm 2 7cmSupport horn within 8 Ω 5WOutput power 5WFrequency response range 50Hz 18KHzChannel the speaker is used as mono channel and the headset is used as dual channelOrdinary 3 5mm diameter stereo headphones can be used but if you buy one with shell please note the diameter of headphone handle must be less than 7mm Otherwise you can t plug it in Receiving frequency adjustment range Turn off radio 87 0mhz 108 0mhz and turn on radio 76 0mhz 108 0mhzEquivalent noise ≥ 30dBPower supply voltage 3 0v 5 0vBattery model 18650 Not included Package battery capacity 1000mah Not included Package included 1 x FM Digital Radio DIY Kit