Model: T-2090 Design: Stylish, Portable Features: Mini Portable, Intelligent Charging Function Supports: Volume Control, TF Card Music Playing, Loudspeaker Functions: Stereo, AUX Function Compatible With: MP3, MP4, Mobile Phone, iPod Connection: Wired Interface: 3.5mm Audio, Power Charge Port Audio Source: TF/Micro SD Card, Electronic Products with 3.5mm Plug Material: Plastic, Metal Color: Blue, Black, Red, Silver,Purple