Small Space Efficient Design All functions are concentrated on a 1.6*1.6 inch plane. There are only 4 buttons in total, which is simple and obvious. You can remember at a glance, and even operate it with your eyes closed. With a small body and full functions, it is your ideal choice.Function Collection What are your expectations? Dual USB ports, QC 3.0 fast charge, Hand-free calls, Voice assistant, High-fidelity sound quality output, LED display, 7 colors and 2 modes of ambient light, Support U disk, TF card and Bluetooth 3 music playback modes. And what else? Please look forward to our new model.Practical Assistant Dual USB ports with one quick charge 3.0 port which is up to 4X faster than standard chargers, save time, reduce power dissipation. And the other smart 2.4A charge port can be used for charging or U disk connecting. Built-in microphone, supports Siri/Google voice commands. Easy to answer or end a call with one key. No need to pick up and hold your phone. Make your driving process safer.Atmosphere Creator Bluetooth 5.0 transmission won't be distorted. Use DSP technology which makes full duplex sound quality, considering both the purity and clarity, allows you enjoy crystal clear podcasts. 3 ways to play musics,including USB port / TF Card / Bluetooth. Freely choose your favorite way, freely choose your favorite song. No ads, no signals to bother. Colorful led backlit light and screen can add atmosphere at night.