P3 Smart Bracelet, Blood Pressure, Heart Rate, Sleep Smart Monitoring, Multi-Function Waterproof Message Push $ 15.77 Product information Screen size: 1.3 inches Appearance size: 52.2mm35.5mm12.2mm Material: TPU Battery capacity: 200 mA Product weight: 35g Body memory: 64M Wearing style: wrist strap Operation method: touch Interface: USB 2.0 Wireless distance: 5m (inclusive) -10m (inclusive) Communication function: not supported Wristband material: silicone Size Information 2mm35.5mm12.2mm Photo