Color White + Red + Multi-Colored Brand SLANG Model F28 Material ABS Quantity 1 Piece Shade Of Color White Total Power 3 W SNR 87dB Sensitivity 420MVRMS THD 0.004% Frequency Response 80Hz~18KHz Impedance 4 ohm Channels 2.0 Interface 3.5mmUSB 2.0 Remote Control Type OthersNo Supports Card Type MicroSD (TF) Max Extended Capacity 32GB Radio Tuner Yes FM Frequency 87.5~108MHz AM Frequency No Built-in Battery Capacity 650 mAh Plug Specifications OthersUSB Powered (DC5V/500mA) Power Supply 5V Certification CE FCC Other Features 3 x 0.1W LED RGB light on bottom; 3 x 0.1W LED RGB light on top Packing List 1 x Speaker 1 x Mini USB2.0 data / charging cable/3.5mm audio (32cm)