S17 Mini Portable Tour Guide Teaching Loudspeaker with Screen Display<br> 1. Material: rubber paint, ABS, electronic components<br> 2. Function: teaching, tour guide, conference, training<br> 3. Built-in battery: 2200mAh lithium battery<br> 4. Charging time: 3 hours<br> 5. Use time: 20 hours<br> 6. Standby time: 72 hours<br> 7. Using head-mounted acoustic microphone, ergonomic design, comfortable to wear<br> 8. Using 3-inch speakers, the volume is larger and the transmission range is wider<br> 9. Support U diskTF card playback<br> 10. The length of the belt can be adjusted freely<br> 11. Dimensions: 9.4 x 8.4 x 2.8 cm<br> 12. Weight: about 230 grams<br> Packing list:<br> -Speaker x 1<br> -Headset Microphone x 1<br> -Belt x 1<br> -Data cable x 1<br> Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Sold by-DIMEANI official store