Smart wrist band sports and health
Quantity:
- fashion design , ultra thin , 8.9mm thickness
- 1.54" smart no frame big hd touch screen,2.5d radian capacitive touch screen
- tpsiv silicone strap, anti sweat matte surface treatment, ergonomic convex design, comfortable wear
- zinc alloy arc primary drawing, sweatband surface hardening process, the longer fresh.
- ultrasound closed aluminum sound chamber, listening to the sounds of nature