Xiaomi Scale 2 Specifications Dimensions: 300 x 300 x 25 mm Wireless Connectivity: Bluetooth 5.0 Net Weight:1.7 kg Operating Temperature: 0 – 40°C Weighing Range:100 g – 150 kg Frequency: 2402 – 2480 MHz Weighing Units: kg / lbs Max. Output: 0 dBm Increments: 0.1 kg / lbs Power Source:1.5 V AAA batteries x 4 Casing Material: Tempered glass, ABS engineering plastic Compatible with: Android 4.4 or iOS 9.0 (from iPhone 5S and later) and above, and Bluetooth 4.0 and above. Mi Body Composition Scale 2 Model: XMTZCO5HM Manufactured for: Xiaomi Communications Co., Ltd. Manufactured by: Anhui Huami Information Technology Co., Ltd. (a Mi Ecosystem company) Address: Room 1201, Building A4, National Animation Industry Base, No. 800 Wangjiang West Road, Gaoxin District, Hefei, Anhui, China For further information, please go to www.mi.com. Source: manuals.plus