HAYLOU Solar Lite Smart Watch 1.38" Display Bluetooth 5.3 100+ Watch Faces SpO2 Heart Rate Monitor 20 Days Endurance Smartwatch Color:SOLAR LITE Blue PCB sandwich stacking structure

PCB sandwich stacking structure

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Support IP68 waterproof level

Easy folding design

HAYLOU Solar Lite Smart Watch 1.38" Display Bluetooth 5.3 100+ Watch Faces SpO2 Heart Rate Monitor 20 Days Endurance Smartwatch Color:SOLAR LITE Blue PCB sandwich stacking structureSPECIFICATIONS Brand Name: HAYLOU Battery Life: 20 Category: Smart Watches System: Android OS System: IOS Function: Passometer Function: fitness tracker Function: sleep tracker Function: Message Reminder Function: Call Reminder Function: Heart Rate Tracker RAM: <128MB SIM Card Available: No Type: wearable Voice assistant built in: no Language: English Hign concerned Chemical: None Network Mode: None Metrics measured: Heart Rate Monitor Metrics