Custom properties: Brand: runmefit ItemNo.: CX3- Main Time to market: 2024 Applicable people: ladies, men, neutral, teenagers, couples, adults and others. Operation mode: touch+key. Wrist band material: silicone Product weight: 53g(g) After-sales service: one-year warranty. Packing list: watch, wristband, charging cable, instruction manual Version type: USA Strap style: classic buckle type Compatible platform: iOS Functions: waterproof, step counting, heart rate monitoring, Bluetooth call, intelligent reminder, remote self-timer, sleep monitoring, blood oxygen detection. Color: CX3 silicone black, CX3 silicone blue, CX3 silicone gray, CX3 silicone pink, CX3 gold frame silicone pink.