Haylou Solar 5 Voice Calling Smartwatch (LS20) Color:Black With support for all standard

With support for all standard 22mm watchbands

Amazfit protects your data using best-in-class data privacy and protection partner Amazon Web Services to store and secure information

Power (W):

and radio frequency interferences (RFI)

once open tihis function in app

Haylou Solar 5 Voice Calling Smartwatch (LS20) Color:Black With support for all standardProduct Name: HAYLOU Solar 5 Display: 1. 58" HD Display Resolution: 480*480, 60Hz high refresh rate Sensors: Heart rate sensor, motion sensor, blood oxygen sensor Bluetooth: Bluetooth V5. 3 Waterproof Rating: IP68 RAM: 960K SRAM+ 64Mb pSRAM ROM: 1GMb NAND FLASH Battery Life: Approx. 40 days ( long battery life mode enabled ) Battery Capacity: 350mAh Wristband: 22MM Durable and comfortable silicone strap Data Sync Platform: Haylou Fun Equipment