Description: Key functions: sensor support, BT3.0 support, BT4.0 support, heart rate sensor support (HRS3300), All time pedometer support, set time and date support. Support step counting analysis, sedentary reminder, sleep monitors, camera, sports, heart rate and . Support call reminder, support , 2 way . Support BT push notification. Support domestic and foreign chat tools (APP supports languages: English, Spanish, French, Portuguese, Dutch, German, Chinese, Russian. Specification: Screen size: 1.3 inches Product size: 11.4mm*36.4mm*42mm Product weight: 0.077KG Motherboard size: 34.3*28*8.15 Han Tianxia Chip: HS6620D Frequency band: 2.4GHz Memories Flash ( FLASH): 16MB, : 128KB Antenna: BT antenna Resolution: 240*240 Package Includes: 1 piece of smart watch 1 charging cable 1 user manual Note: Please check your item model brfore purchasing to make sure it fits perfectly. Please contact us firstly if there are any problems with the product. The item's color may be slightly different from the pictures due to the light and screen setting difference. Please allow slight dimension error due to manual measurement.Thanks for your kindly understanding.