Brand: Xiaomi Color: White Display LED Type: Mi Smart Scale Button material: ABS Bluetooth version: 4.0 Size: 300 x 300x 28.2 mm Weight: 1900 g / 67.01 oz Panel material: Ultra-white glass tempered Accuracy: 5 ~ 50kg: ±0.1kg; 50 ~ 100kg: ±0.2kg Battery: 4 x AA (not included) System required    Android: Android 4.4 and above systems, supports Bluetooth 4.0 phone; iOS: iOS7.0 and above, iPhone 4s / 5 / 5c / 5s / 6 / 6 Plus