Chip ZK8918B Screen 1.73 128×160 Bluetooth BT 3.0/5.0 Standby Time 3-5Days System Android5.0 and above IOS9.0 and above Size 39.7*44.5*14mm Charging method Magnetic charging
Chip ZK8918B Screen 1.73 128×160 Bluetooth BT 3.0/5.0 Standby Time 3-5Days System Android5.0 and above IOS9.0 and above Size 39.7*44.5*14mm Charging method Magnetic charging