Main technical parametersResolution: 296×128Voltage: 3VPower supply: Batería u botón CR2450×2, k'iinil páa'tajo' 250 daysScreen size: 2.9 inchesScreen type: E-ink electronic ink screenDisplay color: 3 boonilo'ob rojo, white and blackSize: 85×41mmShell color: white/blackCommunication method: BluetoothBluetooth version: Bluetooth 5.0Support operating system: Android Notice: K'a'abet JavaScript ti' le contenido.