Welcome to our store! 1. Made from high-quality fluorescent aluminum alloy surface, elegant and stylish in appearance. 2. Excellent sound quality lets you enjoy your favorite music. 3. Supports Security Digital Memory Card, TF card, USB drive, FM, etc. Function Buttons: On/Off, Menu, Previous Song, Next Song, Play/Pause, Volume Control LED Display Panel. Built-in high-capacity battery, supports long playback time. Compact and portable, comfortable to carry. Interface Type: USB, AUX Speaker Type: Mini Playback Function: Radio, MP3 Material: Aluminum Supports Memory Card: Yes Display Screen: Yes Audio Classification: Mini Speaker Material: Metal Supports APP: No Supports Apt-x: Yes Special Function: Wireless, Portable, Mini Remote Control: No Speaker Type: Surround Type: Passive Material: Aluminum Alloy Power Source: Li-ion Battery / DC5V SNR: Over 80dB Music Format: MP3 Size: 50*50*50mm/1.96*1.96*1.96inch(Approx.)