New 5ATM Waterproof C20 Smart Watch Three Proof $ 29.84 Product information: Screen size: 1.71 inches Battery capacity: 380mAH Body memory: 128M Wearing method: wristband Operation mode: touch + button Interface: USB 2.0 Wireless distance: 10m and above Wristband Material: Silicone Function: waterproof, step counting, heart rate monitoring, smart reminder, remote selfie, sleep monitoring, blood oxygen detection Color: black, green Charging method: Magnetic charging cable Waterproof grade: 50 meters waterproof Product size: length 54.8 width 43.5 thickness 14.8mm Screen resolution: 280*320 resolution high-definition square screen Packing list: Smart watch*1 Plus de photos