Gikfun Mini Advanced Audio-controlled Christmas Tree Diy Kit Practice Soldering Skill Board for Kid's Xmas Gift EK1685U

• Great school science project Mini Christmas tree DIY kit with audio control to attach to a beautiful colorful LED flashing Christmas tree.
• Easy to Assemble, Train Hands on Ability It is a great DIY soldering kit to train the hands on ability and soldering ability for you and your kids, students or DIY enthusiasts.
• With USB Cable The finished product LED audio controlled Christmas tree will be colorful and flashing when powered by the included USB cable. The various amazing flickering lights will light up your life.
• 🎄【Cool Gift and Decoration】 This cool flashing LED Christmas tree is a wonderful gift for kids, friends and family or DIY enthusiasts, soldering fans.

36 LED alternately flashing according to the music, in the room of a Christmas tree in the outline of the three dimensional, really a beautiful decoration and can add a lively atmosphere . Instructions 【1】Install 3 1.5V batteries, turn on the power switch, without inserting audio lines, the microphone will detect the sound level of the environment, it will be displayed by the conversion of the circuit. When the audio line is plugged in and the audio comes in, the microphone will automatically close and switch to the audio level display. 【2】The audio output interface is a transmission interface used to connect other power amplifier devices. No audio amplification function.