2.13 inch esl Brand: Zkong -Name:Zkong 2.13 inch digital tag e ink price tag BLE technology label -Size: 2.13 -Alia: 1.54”, 2.6″, 2.7″, 2.9”, 4.2”, 5.8″, 7.5″ 11.6″, 13.3″ -Language:Seres, Anglica, Polonica, Hispanica, Russica, Iaponica, Thai, Arabica, etc. -Battery Vita: V annos -Display: album, nigrum, rubrum / yellow -Working Temperature:0~45℃ -Certificatae: ISO/CE/FCC/ROHS etc -Function: informationes propono, lucem duxi, NFC, procuratio copia etc