Aisster(TM) Futuristic Blue LED Wrist Watch Unisex Couple Watches Black & White LED Color: Blue Display: Digital;Daily Water Resistant: Yes (not for swimming or showering!) Style: Couple Watches Case Diameter Approx: 6.0x3.4cm;Case Thickness Approx: 1.2cm Band Width Approx: 3.4cm;Total Length Approx: 21.5cm