BT Speaker S3 Dog Full Body CH-M10 Function: Supper MP3 Format Music With 87.5-108MHz FM Radio Function With TF card slot and USB Input: DC 5V Output Power: 5W Connect to the phone via Bluetooth Specification: BT V3.0, Less than 10m FM Radio 87.5-108MHz Loudspeaker 4Ohms, 3Watts, 52mm Response Frequency 150-20KHz THD 0.5% SNR Greater than 80dB Material and Finishes Matte black