1. Small and exquisite, playing MP3 audio with excellent sound quality.
2. Volume: high and low.
3. Human body induction triggering to play audio, the induction distance up to 4 meters.
4. Using WT2003 voice chip solution, unrepeatable triggering pulse.
5. Memory: standard 32Mbit SPI-flash.
6. Press button A to play the previous audio, press button B to play the next audio.
10. Can update audio, copy audio directly connected to PC (computer) by USB cable.
11. Using three AAA batteries or USB for power supply.
12. Built in 8 euro 1 watt speaker.