Listen to song: press once to pause/start call: press once to answer/hang upLong press to hang up directlyDouble tap twice to replay the last call Spray: Click the atomization function key to spray continuously by default, and the timing is 4 hours. Double-click the atomization function key to switch to interval spray, spray for 3 seconds, stop for 3 seconds, and time for 8 hours. Click again to turn off spray Breathing light: Press and hold the atomization function button for 2 seconds for the first time to turn on the breathing light mode, the colorful lights will change, then long press the atomization function button to fix the color of the light, and long press the atomization function button again to turn off the breathing light mode [Technical parameters] Weight: about 180 grams Screen: LED digital display Support TF card/U disk capacity: <32GB Power supply: standard version DC5V Supported file types: MP3/WMA/WAV/APE/FLAC Working current: 50-150mA Bit rate: 64-320 kbps FM frequency range: 87.5-108MHz (100KHz step) Signal-to-noise ratio: 85dB (FM: 65dB) Harmonic distortion: <0.05% (FM<0.1%) Working temperature: 0-60 Transmission distance: <5 meters Tank capacity: 300ML Spray volume: 35ML/H