silica gel watch

silica gel watchsilica gel watch Specifications: Size: 259X16. 5X10MM Display: LED seven segment display Data transmission method: USB Port Appearance size: 259*16. 5*10mm Material: Silicone Battery capacity: 55 mAh Body memory comes with memory How to wear: Wristband Color: blue, black, red, purple, green W5S smart bracelet product features: 1, W5S short press button can be cycled display [time date week temperature step number calories distance electricity time);