Shrih Mini Car Shape Portable Digital Speaker With TF/USB/FM Radio. Specifications: * Digital MP3 Player: supports miniSD card / TF card direct reading function. * Radio. * FM stereo digital receiver features high sensitivity. * LED indicator light-emitting diodes. * AUX external audio input functions: support for MP3, MP4, mobile phone, PC, etc. * Universal USB MINI 5PIN charging function. * Multi-key functions: volume, selections, patterns, etc. can be individually adjusted directly. * Built-in super bass film reinforce bass shaken function. * Class D digital amplifier chip, low-power, high-power. * Pot with 40mm neodymium speaker. * Power supply: Built-in lithium-ion battery external power adapter.