Smartband M2 Bluetooth4.0 Waterproof IP67Smart Bracelet Heart Rate Monitor Sleep Monitor Wristband For Android IOS (Green) CHEMAI

System configuration:Battery capacity:70MAH Standby time:300 hourInput voltage:5VWeight :6.9 grams net weightTexture of material:Plastic ABSWatch strap:TPU elastomer Total length: 235mm width: 19mmScreen:0.42 inch OLED Heart rate:S7000Bluetooth:Bluetooth 4.0 /compatible ( android and IOS)Touch:Touch mode buttonWaterproof :IP67 GradeSensor:Low power acceleration sensorFunction configurationShort message:SMS Bluetooth sync reminderTime :OLED show 24 stylePedometer:Motion planning step Sport mileage recordCall reminder:vibration(Call,Short message,We chat, QQ)Sleep monitoring:Monitoring sleep quality Charging interface :USB socket Alarm clock:cellphone in tercalate ( clock)

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