Specifications: Made of high quality fluorescence surface aluminum alloy, elegant and stylish in appearance. Good sound quality lets you indulge in your favorite music Supports TF card, USB disk, FM, etc. Supports line in function, receiving the audio source from MP3, MP4, PC, notebook, for iPod, for iPhone, etc. Supports USB2.0 high speed transmission, fully compatible with USB1.1. Flashing LED at the base of the speaker. Function Buttons: on/off, menu, previous song, next song, play/pause, volume control. LED display panel. Built-in high capacity rechargeable battery, support long play. Compact and portable, convenient to carry.   Type: Mini Speaker Material: Aluminum Alloy Interface Type: USB Communication: Wireless + Wired Speaker Structure: Sealed SNR: 80dB Features: Music Player, Mini Speaker, Portable Notes: Due to the light and screen setting difference, the item& 39;s color may be slightly different from the pictures. Package Includes: 1 x Mini Speaker 1 x USB Cable 1 x Audio Cable Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Sold by-YJL official store