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Waterproof bluetooth sport smart watch men women intelligent smartwatch phone mate heart rate tracker for ios android| smart watches black product features - ??movement tracker??: steps calculation, calories, distance. Multiple ui interface styles can be customized, ui switching, time display, date display. - ??Health monitoring??: continuous heart rate, blood pressure, blood oxygen, sleep monitor, sedentary reminder. - ??Call reminder and information push??: connect to the app to display notifications such as calls, text messages, and sns facebook, twitter, whatsapp, line, kakaotalk, messenger, wechat, qq . You will never miss important information. - ??Ip68 waterproof??: it supports hand washing, rain, swimwear, meets daily needs note: it cannot wear for hot water bath and sauna . -?? Bluetooth call function??: connect to phone bluetooth,you can make calls, receive call, and listen to music through the watch. ?? Note??: when using the function of making calls and playing music, you need to connect the bluetooth of your phone and the bluetooth of your bracelet when you don?¡¥t use this function, you only need to connect the app bluetooth to your phone. Refer to the manual for detailed instructions . Product specification - type:bluetooth smart watch - screen size:1.54Inchs ips color screen,240*240px - chip:hs6620d - bluetooth version:4.0 Color¡êoblack - waterproof level:ip68 note - battery capacity:200mah - charging time:about 2 hours - work time:3-5days - standby time:about 7-15 days - charging mode:charging clip - function button:full touch button - compatible system: android 4.4 And above, ios 8.0 And above. - Style:business, sports, leisure