Specifications: weight: 375g Size: 15x15x2.1cm Max Weighing Value: 2000g Min weighing value: 0.1g Measuring unit: g/oz Max display value: 2050g Charing power: 5V / 1A (micro-usb) Battery: USB rechargeable lithium battery 3.7V / 1750 mAh Battery stand by time: 145 hrs / operation 8hrs Display screen: LED Water repellent: Yes Material: Metal, plastic, silicon Wireless device: Bluetooth 5.0 https://www.youtube.com/watch?v=7-LRDYl_hfw   https://www.youtube.com/watch?v=2UYz12P3DVA