DMDG Smart Watch Bracelet ECG Heart Rate Measurement Sports Wristband Fitness Tracker for Android IOS-Silver ATMEGA328P 1 x rc522 RFID module

1 x rc522 RFID module

- Wi-Fi Chip: WizFi210

convenient to peripheral module power supply

»Hand shift feature (Hands move out of the way to provide an unobstructed view of digital display contents)

DMDG Smart Watch Bracelet ECG Heart Rate Measurement Sports Wristband Fitness Tracker for Android IOS-Silver ATMEGA328P 1 x rc522 RFID moduleColor Silver Model N A Quantity 1 set Material Stainless steel+ABS Water proof IP67 Bluetooth Version Others,Bluetooth V4. 2 Touch Screen Type IPS Operating System No Compatible OS Android 4. 4 and aboveiOS 8. 0 and above Battery Capacity 200 mAh Battery Type Li polymer battery Standby Time 15 days Packing List 1 x Smart bracelet 1 x Charging cable 1 x English instruction Dimensions: 9. 45 in x 1. 71 in x 0. 51 in (24. 0 cm x 4. 4 cm x 1. 3 cm)