Input power supply:DC 5V/1000mA Battery consumption:18650 (1200mAhx2)/3.7V Basic functions: FM (70-108MHz) MW (522-1710KHz) sw1/sW2 (3.9-22.2MHz) MP3/ volume button/flashlight switch/DC 5V charging interface/[1-0] number key/USB disk interface/play/pause key/Sw1-9/sw10-18/ song key/previous song key/power switch/SW button/TF card socket/TUNING player wheel/headphone socket Bluetooth version:Bluetooth 5.0 Frequency response:100Hz-18KHz Rated power:5w Rawling configuration:1.75-inch dual magnetic horn+low-frequency passive enhancement unit Product model:F26 Colour:Gray-Black Material:Plastic Size:181x110x34mm Package Contents: 1 * Bluetooth Radio Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.