Specification:Multi-function speaker supports FM/ Micro SD Card/ TF Card/ USB/ 3.5mm jack audio device.Mini aluminum vibration film loud speaker, which has clear alt and pure woof.Metallic shell shows noble and fashionable,out of ordinary.With auto FM function, micro SD/ TF card slot and USB interface.Compatible with any audio output devices with 3.5mm jack such as mobile phone, MP3, MP4, Notebook PC, etcLinks the included 3.5mm jack audio cable with the speaker to play music straight from your laptop or PC.Several power supply manners including battery, computer USB, adaptor DC 5V allow you to enjoy the charm of digital products at any time.Plays MP3 format music files directly from USB or TF card.1.0" LCD screen to show working modes.With colorful LED light when powered on.Powered by USB port or li-ion battery. (Battery included)Small size, easy to carry.Type: Mini SpeakerFM Frequency: 87.5~108MHzInterface: USB 2.0/ TF slot/ 3.5mm/ Mini USBPower Supply: Built-in Rechargeable BatteryBattery Capacity: 350mAhLCD: 1.0" LCD Display ScreenMax Extended Capacity: 32GBMemory Card Type: Micro SD / TF, U DiskMedia Format: MP3Total Power: 3WImpedance: 4ohmsSignal to Noise Ratio(SNR): 80dBSensitivity: 15dB +/- 3dBChannels: 2Size: 5cm x 5cm x 5cm/1.97" x 1.97" x 1.97" (Approx.)Notes:Due to the light and screen setting difference, the item& 39;s color may be slightly different from the pictures.Please allow slight dimension difference due to different manual measurement.Package Includes:1 x Mini Speaker1 x USB Cable1 x 3.5mm Cable