Color screen smart Bracelet Heart Rate multifunction $ 33.57 Material: PC Battery capacity: 260mAH Body memory: 64MB How to wear: Wristband Operation mode: touch type + button type Interface: USB 2.0 Wristband material: silicone Fastest shipping time: 1-3 days Function: heart rate monitoring Applicable object: General Whether cross-border export is dedicated to the source of goods: Yes