The Bluetooth electronic labels has the following advantages:
1. No base station, server, mobile Bluetooth wireless update
2. Original fast scanning technology, intelligently sensing the label content to the mobile phone
3. The template can be designed by DIY, and the multi-template can be switched at will
4. Support firmware online upgrade
5. Total reflection 2.1-inch TFT screen, real-time display, ultra-low power consumption
6. Wide temperature support -20-70 degrees
7. Length, width and thickness: 69.5x35x14.8mm
8. 2-3 years battery life, battery can be replaced
9. Support batch refresh
10. Support content: text/bar code/QR code