welcome to my store , Hope you have a pleasant shopping trip! Features:1.It is an 76.0MHz-108.0MHz Wireless FM Radio Receiver DIY Kit. 2.Support the global frequency band 76-108Mhz.3.Built in rechargeable lithium battery management system.RGB LED power indicator.4.It is a mini portable radio with a small headset which not only suitable for home but also very suitable for outdoor.Specifications:Item Mode:YFM-1Work Voltage:DC 3.7VWork Current:19mAWork Frequency:76-108MhzHeadset impedance:32ohmBattery capacity:180mAhWork Temperature:-40~85Work Humidity:0%~95%RHSize(Installed):62 X 48 X 12mmPackage List:1 X FM Stereo Radio Module DIY KitNotes:1. Due to the difference between different monitors, the picture may not reflect the actual color of the item. We guarantee the style is the same as shown in the pictures.2. Please allow 1-2cm slight dimension difference due to different manual measurement. About this item It Is An 76.0MHz-108.0MHz Wireless FM Radio Receiver DIY Kit. Support the Global Frequency Band 76-108Mhz. Built in Rechargeable Lithium Battery Management System.RGB LED Power Indicator. It Is A Mini Portable Radio With A Small Headset Which Not Only Suitable For Home but also Very Suitable For Outdoor. SHOP WITH CONFIDENCE: To Provide You With the Highest Quality Service, If You Have Any Question, Please Feel Free to Contact Us.We Will Provide After-sales Service Until You Are Satisfied. It Is An 76.0MHz-108.0MHz Wireless FM Radio Receiver DIY Kit. Support the Global Frequency Band 76-108Mhz. Built in Rechargeable Lithium Battery Management System.RGB LED Power Indicator. It Is A Mini Portable Radio With A Small Headset Which Not Only Suitable For Home but also Very Suitable For Outdoor. SHOP WITH CONFIDENCE: To Provide You With the Highest Quality Service, If You Have Any Question, Please Feel Free to Contact Us.We Will Provide After-sales Service Until You Are Satisfied.