Ⅰ. Specifications: Memory Card Type: Micro SD/TF, U disk (not included); Maximum Expandable Capacity: 32GB; Media Format: MP3; Total Power: 3W; Impedance: 4 ohms; Interface: USB 2.0/TF Slot/3.5mm/Mini USB; Radio: FM Radio; Power Supply: Built-in Rechargeable Battery; Capacity: 600mAh Ⅱ. Other Features: 1.0 inch LCD Screen; Certification: CE; FM Frequency: 87.5-108MHz; Size: 50*50*52mm Ⅲ. Features: Supports Bluetooth functions to play music. Clear sound quality and scratch-resistant characters. FM function: can automatically search for radio station. Micro SD/TF card slot design: can read data and store music files by inserting TF card directly. Support U disk playback mode: automatically reads audio files from inserted U disk or USB port devices. LCD display: with a small LCD screen to show the working mode. LED indication: blue light lights up when the speaker is working. Compatible with all devices with 3.5mm interface. Aluminum alloy body, durable. Compact size, multi-color and attractive appearance. Suitable for both indoor and outdoor use. Ⅳ. Package List: 1 x Mini Speaker; 1 x Power Cord; 1 x Audio Cable Ⅴ. Ordering Tips: It does not come with Micro SD/ TF or U disk, which needs to be purchased separately.