DMDG Smart Watch Bracelet ECG Heart Rate Measurement Sports Wristband Fitness Tracker for Android IOS-Silver ATMEGA328P Unit Material plastic + metal

Unit Material plastic + metal Shade Of Color Black Type Brand New Power Adapter USB Housing Case Material plastic + metal Network Type 2G

USB Voice Control: No Frequency Range: 60Hz-23KHz Output Power: 100W Display Screen: No

set the locking screw firmly to fix the position ¡ñ Internal

1 x rc522 RFID module

»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 Unit Material plastic + metalColor 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)