The latest firmware version 2.30 3.5-inch touch screen second-generation -DSP2 Malachite receiver Malachite radio, each registration code has been filed with the author in Russia, it is the latest version at present, follow-up software can be upgraded at any time on the author's official website .Software features: Adjustable filter widthAdaptive Noise Reduction ()Threshold noise reductionNoise Canceller ()Automatic Gain Control ()Automatic Filter ()Stereo FM supports RDS analog stereoEqualizerfirmware, support official website upgradeColour:Photo ColorMaterial:ABSPackage Contents:1 x host1 x whip antenna1 x 2-in-1 touch pen1 x stand1 x No trace glue1 x TYPE-C data cable1 x eva storage bag1 x lanyard1 x English instruction manualOnly the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.