Lerbyee Smart Bracelet M4 Heart Rate Monitor Nrf52832 Fitness Tracker Watch Color Screen Call Remin
[33058316160] Lerbyee Smart Bracelet M4 real-time Heart Rate Monitor Nrf52832 Fitness Tracker Watch Color Screen Call Reminder Wristband Blood Pressure Activity Tracker New Free Shipping Please note: 1.This bracelet does not require a charger and has a USB plug 2.The bracelet is an international version, only English, but the content of the message will synchronize the language of the phone(Support English,French, German, Japanese,Spanish,Italian,,Russian,Czech,Portuguese, Turkish) 3.You can't put it in water and can't swim with it The bracelet can't touch the hot water because the hot water has water vapor. ღ MULTIFUNCATION BLUETOOTH SMART WATCH -Pedometer, Calories, Distance ,Heart Rate Monitor, Blood pressure ,Sleep quality measurement, Call reminder, Alarm clock,Search bracelet and so on, these amazing features are available, do not hesitate; new App wearfit is more comprehensive, inside newest chip more stable faster and ,Besides, it is with high quality comfortable and fashion strap. ღ ANDROID AND IOS PHONES COMPATIBLE - This smart watch is compatible with all Bluetooth enabled smartphones including Android and IOS phones. IOS phones such as iPhone X/8/8 Plus/7/7 Plus/6/6 Plus/6s; Android phones such as Samsung Galaxy S8/S8 Plus/S7/ S7 Edge/S6/S6 Edge/S5/S4/S3, iphone 6 or above ,Samsung Note 5/4/3/2, SONY, HTC, Huawei, Xiaomi, ZTE, Lenovo, OPPO,LG smart phones. not support 5/5s/SE ღ DURABLE AND COMFORTABLE WATERPROOF SMART WATCH - Precision laminating process,Anti-sweat Nano TPU85 material watch strap, very light-weighted to wear, and the soft watch strap is comfortable to wear. Unique waterproof design, good for outdoor activity. ღ Simple operation: Flip your wrist and the screen will be bright. Shake your arm and you can take photos, so that the self-portraits more conveniently. Set this function manually by APP. ღ SMART GIFT FOR YOU,YOUR LOVERS AND YOUR FAMILY - This fashion and multifunctional smart watch,very easy and durable to use, it’s suitable for any age people even your children and the elderly. We will offer you Lifetime Warranty of our Bluetooth smart watch, so just purchase it without any worries. Our Bluetooth smartwatch is a good gift for you,your family and your friends! Main Features: ✔Full screen horizon,HD display brings you different visual experience mirror surface made of Super large arc 2.5D curved glass, mainstream curved glass grinding technology, new G+F full glass bonding process, sensitive and solid and scratch resistant and wear resistant ✔ All-day Activity Tracking: Accurately record all-day activities like steps, distance, calories burned, active minutes and sleep status. ✔ Bright Colorful Display and Waterproof: See your daily activity and time on 0.96 inches TFT Display screen. ✔ Heart Rate & Sleep Monitoring: Tracks heart rate automatically and automatically tracks your sleep duration & consistency with comprehensive analysis of sleep quality data, helping you adjust yourself for a healthier lifestyle. ✔ See Calls & Messages on Your Wrist: Receive call, calendar, SMS and SNS (Facebook, WhatsApp,and Twitter) notifications on display; never miss the messages that matter. Button: one-touch Type of battery: li-ion battery Battery Capacity: 90mAh Charging Time: About 2hours Function Step counter: Support 12h/24h time format selection: support Mileage: Support Calories: Support Sleep Monitoring: Support Heart rate: support Blood pressure : Support Alarm: Support Continuous Heart Rate Monitoring: Support Sedentary reminder: Support Blood Pressure: Support Stopwatch: Support Sports Mode: Support Find bracelet: support "Call, SMS, WeChat, QQ, whatsapp, facebook, twitter,line ": Support Shake Photograph: Support "Do not disturb mode (22:00-8:00 bracelet stop receiving notification, raise the hand bright screen function has no effect)": Support Find the phone: support Factory reset: Support 3-5 days for normal use ; 7 days long standby Charging connector: usb How to use it >> step 1 : Please charge your new device for at least 10 minutes or more before the first usage, this ensures normal device boot and optimal operation. step 2 : Power on ( long-press 5-7 sec this button to power on ) tips : long-press button you can Switch to power on /off page , back to home step 3 : download app ,Please search "Wearfit 2.0 " in your APP store and android market . and then download it ,and then Bind Bracelet ,(first time open APP ,click bind bracelet ) your device bluetooth ID name is “M4**” step 4: open phone bluetooth ; search bluetooth in APP ,and connect bluetooth M4 step 5 : once your bleutooth has been connected, the Data will be Sync , and watches time will Sync with your phone step 6: you can click mine ,to fill in your information step 7: you can click device management , setting call reminder / message reminder etc function FQA for M4 fitness tracker >> Q:Why does the pedometer not count steps when I have already started walking? A:To reduce errors, smart watch usually sets an initial value of 10, it will count steps when we walk more than 10 steps. The APP will show the real walking steps and start counting from step 10. Q:What application is used when connecting to a smart phone? A:The app is designed by the supplier. You can scan the QR code on the package or manual to download it when you get the item. Q:Why the device cannot boot or start up properly? A:Please charge your new device for at least 10 minutes or more before the first usage, this ensures normal device boot and optimal operation. For devices with removable batteries, ensure they are properly installed before charging. Q: Can not find device when pairing device? A:Please make sure the distance between phone and device less than 0.5m Please make sure the device is not under low battey.if there is still problem after 1.5hours charging,Please cantact us. Q:Can not connect the devicewith app? A:Some smart phone bluetooth service will be abnormal when reboot.Please reboot the smart phone for pairing device. Q:Why the android mobile disconnect? A:Android mobile phone system memory management will be forced to turn off the background app,you need to turn off the power saving mode or pull the app into the ayatem housekeeping green background inside,app will not be forced to close.app must be running in the background,bluetooth will not automatically disconnect. For the problem that the bracelet can measure the heart rate in things and in the air, the following explanation is made: 1.At present, the mainstream heart rate bracelets on the market adopt the same measurement method. The principle is not complicated, that is, the PMG signal of the radial artery is obtained by the reflective photoelectric measurement method, and the fast Fourier transform is performed on the PPG signal to analyze the frequency domain. To achieve the detection of the human heart rate. To put it simply, it is to use a light to the artery and then reflect it back. Based on the change of the reflected light, the heart rate of the human body is calculated. 2.Due to many factors such as the physiological structure of the human body, the color of muscles and blood, green light is the color with the highest passing rate in the human body. Therefore, the light source of the heart rate sensor uses green light to achieve minimum loss and interference. 3.Heart rate wristband detection focuses on human tissue. Some data is also read for non-human objects. This is a known and normal phenomenon. After the data is based on the principle of light reflection, the heart rate detection will have a reading. This situation cannot be All avoided, so there will be problems with heart rate data in the case of heart rate bracelet (table) in the case of "air test". * 1. Items will be shipped timely after the payment verification. * 2.The Aliexpress standard shipping time of arrival is between 15 to 60 days . If your item does not arrive within 40 days, please let us know. * 3.If there is no logistics information, please contact us first to help you inquire. * 1.If the product will not be used, don't worry, please contact us first, we will help you solve it. Due to the time difference, we usually reply within 24 hours, except holidays. * 2.One year warranty for the product you ordered from us! * 3.We can't offer warranty service for products which have Man-made damage, including but not limited to: bumped by user / fall in water by user / disassemble by user / other man-made damage detected by the official service center. * 4.For returned product, Please write your order No. on a paper and put it into the box.Tell us the return tracking No. and tracking site. We regard customers as our friends. We hope our products can satisfy you. We are trying our best to make you happy.Please do not forget to leave us 5-Star feedback. Cheers.
US $34.98Get Now 59% US $14.34
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