This smart bracelet has a variety of built-in sports modes, no need to add it on the mobile phone, you can exercise directly when you wear the bracelet, and the bracelet can record all your sports data. With massage reminder, multiple languages, heart rate, blood pressure detection and multiple sport modes functions, this smart bracelet is and practical. It is constructed of TPU material. The length of the smart bracelet is 25.8cm, the width is 3.47cm and the height is 1.13cm. It is suitable, sport, running, cycling and travel, etc. : Smart Bracelet Item Name: Smart Bracelet Material: TPU Features: Multifunctional, Touch Screen, Long Standby Time Screen Size: 1.44 Material: TPU Battery Capacity: 50mAh Body Memory: 32kb Wearing Method: Wristband Operation Mode: Touch Interface: USB 2.0 Wireless Distance: 5m (Inclusive)-10m (Inclusive) Size Details: Size: 25.8cm x 3.47cm x 1.13cm or 10.16" x 1.37" x 0.44" (Approx.) Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 1 x Smart Bracelet Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.