Apple Watch Band 38mm, Genuine Leather iWatch Strap Replacement Wristband Bracelet with Retro Crazy Horse Texture Remote & Controllers 1 Dimensions (WxHxD): 38*34*23cm Average

1 Dimensions (WxHxD): 38*34*23cm Average Battery Life(in hours): 6-8 Model Number: S10 Weight: 1

5 GHz CPU Core Quantity Octa-Core GPU ARM Mali-T860 MP2 Language Afrikaans

so we design a sensor expansion board

1 x Finger heartbeat measurement module

Preheating time: 20 seconds

Apple Watch Band 38mm, Genuine Leather iWatch Strap Replacement Wristband Bracelet with Retro Crazy Horse Texture Remote & Controllers 1 Dimensions (WxHxD): 38*34*23cm AverageHight Quality Crazy Horse leather : Made of the first layer of cowhide, designed in luxury Crazy Horse color & pattern style. fashionable antique texture, wearable, anti slip, sweat absorbent and waterproof Safety and Stability : Stainless steel buckle ensures safety, stability, anti slip. Easy to install and adjust the length fits for your wrist General Model N A Quantity 1 piece Material PU Dimensions & Weight Dimensions 7. 68 in x 0. 79 in x 0. 43