KALOAD B9 ECG Heart Rate Blood Pressure Monitor IP67 Waterproof Smart Bracelet for Android IOS

Seller product description

Specification: Color Blue, Red, Purple, Black Display 0.96' OLED Wirless Type Bluetooth 4.0 Bluetooth Chip NRF52832 PPG Chip HRS 3300 Battery Capacity 80mAh Sensor G-sensor Waterproof Level IP67 Support OS Android 4.4 or above, IOS 8.0 or above Motor Buil