EWELL M2 Smart Band With Heart Rate Sensor Features And Many Other Impressive Features, Water Proof Or Sweat Free Compatible With All Device (Black) Smart Band Strap(Black)

System configuration Battery? Battery capacity?70MAH Standby time?300 hour input voltage? 5V weight :6.9 grams net weight Texture of material ? Plastic ABS watch strap?TPU elastomer Total length?235mm width?19mm show : 0.42 inch ? OLED heart rate : S7000 Bluetooth:Bluetooth4.0 /compatible ? android 4.4+ and IOS 8.0+? Touch :Touch mode button waterproof :IP67 Grade sensor :Low power acceleration sensor Packing :smart bracelet?carton ? Data line ? Instructions ?Warranty card 110mm*85mm*26mm Function configuration Short message:SMS Bluetooth sync reminder Time:OLED show 24style Pedometer: Motion planning step Sport mileage record Call reminder: vibration?Call ?Short message? We chat? QQ) Sleep monitoring : Monitoring sleep quality Charging interface: USB socket Standby time : 300 hour Alarm clock : cellphone in tercalate ? clock? APP share : Movement condition