It is mini size, convenient to carry for user; Build-in 500MAH lithium battery; Good sensitivity reception, received signal of each band is stable; Buttons operation are easy for users; 1.18 inch LCD display: voice elect, frequency range, band model elect, MP3 track the order, MP3 , battery symbol, memory/recall station. Large chip capacity(memory 120 station presetFM/SW each model memory 50 stations,MW memory 20 stations); Power-off memory function; Full automatic scanning storage function; 9/10KHZ MW step adjustment; Support MP3 format. This is humanized design of the radio, hope to bring radio waves of fun for your life. AM: 522-1620 KHZ(9KHZ) / 520-1710KHZ(10KHZ) SW: 4.75-21.85MHZ FM: 76-108 MHZ Lithium battery: 500Mah 3.7v External power supply: DC 5V Minimum operating voltage: 3.3V EXTERNAL EARBUDS: Φ3.5MM/32ΩX2 Speaker: Ф28mm/6Ω/2W TF card playback format: WAV, MP3 Colour:Black Material:ABS Package Contents: 1 x Radio 1 x Earbuds 1 x USB Charging Cable 1 x Storage Bag 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.