yd5 smart watch transparent case cool mechanical watch alipay offline payment nfc bracelet, Silver

dial style: barrel shaped
surface diameter: 28mm and below
communication type: bluetooth
waterproof grade: domestic waterproof
operation mode: touch+button
charging method: wireless charging features: pgraphy, step counting, heart rate monitoring, social entertainment, temperature measurement, bluetooth call, nfc function, intelligent reminder, remote selfie, sleep monitoring wrist strap material: silicone
screen type: tft screen
range: 7-14 days
compatible platform: android
watch strap style: sporty
case material: aluminum alloy.syi