Features: 1.COLOR SCREEN&&THREE INTERFACES: easy operation and sensitive response, the color screen the sunlight is clearly visible, the bracelet have two main interface options. 2.3 EXERCISE MODES:It supports 3 exercise modes including cycling ,running, climbing 3.MORE FEATURES:The fitness tracker supports more accurate heart rate monitoring, distance, weather forecast, speed, calories, sleep monitoring, SMS, SNS message, sedentary remind, incoming call, alarm, schedule, remote shutter,check the phone and more. You can read messages on the fitness tracker from Facebook, What Sapp, Instagram , Twitter, Line, etc. 4.WIDE COMPATIBILITY:The app supports most smart phones with Bluetooth 4.1,Support system: iOS 8.0 or above , Android 4.4 or above 5.Sleep monitoring: automatic detection of daily sleep quality Sleep quality information interface: Measure sleep quality automatically daily. Descriptions: 1. The strap is made of high-quality materials, comfortable to wear, and not tied, perfect for your wrist. 2. With information push, health monitoring, motion tracking, monitoring and other functions. Specificitions: Applicable people: business, adult, fashion, public Screen size: 1.3 inches Appearance size: 43mm*9.5mm*245mm Material: zinc alloy body (vacuum plating) +2.5D tempered glass cover Battery capacity : 170 mAh Product weight : 0.13kg Body memory: 512 Wearing method: wrist strap Mode of operation : touch Interface : USB 2.0 Wireless distance: 5m (inclusive) -10m (inclusive) Communication function : not supported Wristband material : steel Color:Black,silver Package Included: 1 x smart bracelet 1 x USB cable 1 x user manual