Hembeer Warranty: 30 day reimbursement, 12 months warranty, 24 hours customer service. We are always at your service! E-mail: [email protected] features: Multisports: You can use these functions in the app or the sports watch, like walking, running, cycling, treadmill, etc. Step counter: The steps and the movement distance of a day are counted (it is for the swing arm.) Heart rate: Calculate the heart rate exactly by PPG sensor. Arm movements are unavoidable. Calorie counter: The calorie consumption is calculated by the distance covered and your data on body size, weight and age. Notification: SMS / WHATSAPP / FACEBOOK / SKYPE etc with vibration and LED light Movement Reminder: If you sit too long, you will be reminded by the vibration alarm. Specification: App OS: IOS 7.1 & above / Android 4.4 & above Bluetooth version: Bluetooth 4.0 or above People: Unisex Waterproof: IP67 (you can shower with it and wear it in the rain, and can be underwater within 1 meter no exceed 30 minutes) Screen Type: 0.96 inch OLED Battery Type: 65mAh Lithium Polymer Battery Sensor: Kionix Gravity sensor HR Sensor: Silicon labs CPU chip: Nordic Bluetooh chip (Bluetooth 4.0 BLE) Standby time: about 5-7 days Charge time: 1-2 hours Working temperature: -10-45 degrees Input: Touchscreen with gesture control Wristband Size: 240 * 16 * 11mm Suitable person: wrist circumference approx. 16,0 - 22,5CM Case Material: TPU Wristband Material: ABS + PC + UV Delivery: 1 x Hembeer V4 Fitness Bracelet 1 x instruction manual
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